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Written Question
Immigration
Wednesday 29th April 2026

Asked by: Lord Wigley (Plaid Cymru - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government how many immigrants took residence in the UK in the latest year for which figures are available; and how many of those came to the UK by small boat crossing of the English Channel.

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the Permanent Secretary for the Office of National Statistics.

Darren Tierney | Permanent Secretary

The Rt Hon. the Lord Wigley

House of Lords

London

SW1A 0PW

15 April 2026

Dear Lord Wigley,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Question asking how many immigrants took residence in the UK in the latest year for which figures are available; and how many of those came to the UK by small boat crossing of the English Channel (HL15948).

Based on our latest estimates[1] which look at long-term international migration (long-term is where people change their usual place of residence for a period of 12 months or more). In the year ending June 2025, we estimated that:

  • 898,000 people came to the UK for 12 months or more

  • 693,000 people left the UK for 12 months or more

  • Therefore, net migration was estimated at 204,000[2]

While these figures include those arriving for asylum, the ONS does not produce estimates on the number of arrivals by small boat. However, the Home Office and Border Force provide data on small boat arrivals for the last 7 days[3] and a timeseries updated weekly back to 2018. In year ending June 2025, the Home Office estimates that the number of people recorded as arriving in the UK on small boats was 43,309[4].

Those arriving in small boats who claim asylum would appear in our asylum estimates. In year ending June 2025, the ONS immigration estimate includes a total of 96,000 people that came to the UK for asylum.

Yours sincerely,

Darren Tierney

[1]https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/internationalmigration/bulletins/longterminternationalmigrationprovisional/yearendingjune2025

[2] Net migration is calculated by subtracting emigration estimates from immigration estimates. We do this with unrounded estimates so the rounded numbers may not always match this calculation exactly.

[3] https://www.gov.uk/government/publications/migrants-detected-crossing-the-english-channel-in-small-boats/migrants-detected-crossing-the-english-channel-in-small-boats-last-7-days

[4] https://www.gov.uk/government/statistics/immigration-system-statistics-year-ending-june-2025/how-many-people-come-to-the-uk-irregularly#small-boat-arrivals


Written Question
Health: Disadvantaged
Wednesday 29th April 2026

Asked by: Lord Babudu (Labour - Life peer)

Question to the Department of Health and Social Care:

To ask His Majesty's Government in light of the data published by the Office for National Statistics on 19 February showing decreasing life expectancy for males and females and a gap in healthy life expectancy between local areas, whether they are on track to deliver the shift to sickness to prevention and the reduction in health inequalities committed to in the 10-year Health Plan for England.

Answered by Baroness Merron - Parliamentary Under-Secretary (Department of Health and Social Care)

The Office for National Statistics’ publication on 19 February showed that healthy life expectancy decreased between 2022 to 2024, although overall life expectancy increased.

The Government is committed to ensuring everyone lives well for longer, regardless of where they are from. This is set out in our ambitious commitment to halve the healthy life expectancy gap between the richest and poorest regions.

The key to achieving this is shifting from sickness to prevention, and we are already delivering that shift. For example, through our landmark Tobacco and Vapes Bill to create a smoke-free Britain, alongside decisive action to tackle childhood obesity and create the healthiest generation of children ever. Additionally, we have fulfilled our commitment to restrict junk food advertising targeted at children on television and online.

We will be supporting people to make healthier choices when it comes to alcohol, and this includes strengthening and expanding alcohol labelling. We will also tackle air pollution, which particularly affects working class communities. This spring, we will publish the Cardiovascular Disease Modern Service Framework, which will drive action on the Government’s ambition to reduce premature mortality from heart disease and stroke through evidence-based interventions, innovation, and tackling unwarranted variation and inequalities in care.

The Government can’t do this alone. We will succeed by taking a whole society approach, and as such we will work in parentship with business, civil society, and citizens to drive our national mission and empower individuals to live well for longer.


Written Question
Health
Wednesday 29th April 2026

Asked by: Lord Babudu (Labour - Life peer)

Question to the Department of Health and Social Care:

To ask His Majesty's Government, in light of the data published by the Office of National Statistics about healthy life expectancy on 19 February 2026, whether they are on track to deliver the shift from sickness to prevention and the reduction in health inequalities committed to in the 10 Year Health Plan for England.

Answered by Baroness Merron - Parliamentary Under-Secretary (Department of Health and Social Care)

The Office for National Statistics’ publication on 19 February showed that healthy life expectancy decreased between 2022 to 2024, although overall life expectancy increased.

The Government is committed to ensuring everyone lives well for longer, regardless of where they are from. This is set out in our ambitious commitment to halve the healthy life expectancy gap between the richest and poorest regions.

The key to achieving this is shifting from sickness to prevention, and we are already delivering that shift. For example, through our landmark Tobacco and Vapes Bill to create a smoke-free Britain, alongside decisive action to tackle childhood obesity and create the healthiest generation of children ever. Additionally, we have fulfilled our commitment to restrict junk food advertising targeted at children on television and online.

We will be supporting people to make healthier choices when it comes to alcohol, and this includes strengthening and expanding alcohol labelling. We will also tackle air pollution, which particularly affects working class communities. This spring, we will publish the Cardiovascular Disease Modern Service Framework, which will drive action on the Government’s ambition to reduce premature mortality from heart disease and stroke through evidence-based interventions, innovation, and tackling unwarranted variation and inequalities in care.

The Government can’t do this alone. We will succeed by taking a whole society approach, and as such we will work in parentship with business, civil society, and citizens to drive our national mission and empower individuals to live well for longer.


Written Question
Criminal Investigation
Tuesday 28th April 2026

Asked by: Alex Mayer (Labour - Dunstable and Leighton Buzzard)

Question to the Home Office:

To ask the Secretary of State for the Home Department, what information her Department holds on the numbers of people who have been released under investigation for more than a year during the last five years.

Answered by Sarah Jones - Minister of State (Home Office)

Decisions on release and safeguarding are operational matters for individual and operationally independent police forces, taken in accordance with the Police and Criminal Evidence Act 1984, its Codes of Practice, and national professional guidance. His Majesty’s Inspectorate of Constabulary, Fire and Rescue Services regularly inspects police forces, including on how they protect vulnerable people.

The Home Office hold statistics on the numbers of individuals Released Under Investigation by duration in the Police Custody and Pre-Charge Bail release, which covers the years 2022/23 to 2024/25:

https://assets.publishing.service.gov.uk/media/69d50f114d39faba1f3b27a9/released-under-investigation-data-tables-year-ending-march-2025.ods

Prior to this, for 2020/21 and 2021/22 the Released Under Investigation statistics were published as Experimental Statistics.

https://assets.publishing.service.gov.uk/media/61b74f1fe90e070445fd782c/released-under-investigation-data-tables-police-powers-and-procedures-year-ending-march-2021.xlsx

https://assets.publishing.service.gov.uk/media/636e3e4a8fa8f559604a0b2f/pre-charge-bail-statistics-police-powers-and-procedure-year-ending-march-2022.xlsx.ods

Due to the provisional and incomplete nature of this dataset, statistics on Released Under Investigation have been designated as ‘Official Statistics in Development’, to acknowledge that further development is ongoing to improve data quality.

Additionally, as different numbers of police forces have been able to provide Released Under Investigation data in each year, any trends on the number of people who were on Released Under Investigation for longer than a year should be interpreted with caution.


Written Question
Criminal Investigation: Self-harm
Tuesday 28th April 2026

Asked by: Alex Mayer (Labour - Dunstable and Leighton Buzzard)

Question to the Home Office:

To ask the Secretary of State for the Home Department, what guidance her Department has issued to police forces on assessing the risk of self-harm of people released under investigation.

Answered by Sarah Jones - Minister of State (Home Office)

Decisions on release and safeguarding are operational matters for individual and operationally independent police forces, taken in accordance with the Police and Criminal Evidence Act 1984, its Codes of Practice, and national professional guidance. His Majesty’s Inspectorate of Constabulary, Fire and Rescue Services regularly inspects police forces, including on how they protect vulnerable people.

The Home Office hold statistics on the numbers of individuals Released Under Investigation by duration in the Police Custody and Pre-Charge Bail release, which covers the years 2022/23 to 2024/25:

https://assets.publishing.service.gov.uk/media/69d50f114d39faba1f3b27a9/released-under-investigation-data-tables-year-ending-march-2025.ods

Prior to this, for 2020/21 and 2021/22 the Released Under Investigation statistics were published as Experimental Statistics.

https://assets.publishing.service.gov.uk/media/61b74f1fe90e070445fd782c/released-under-investigation-data-tables-police-powers-and-procedures-year-ending-march-2021.xlsx

https://assets.publishing.service.gov.uk/media/636e3e4a8fa8f559604a0b2f/pre-charge-bail-statistics-police-powers-and-procedure-year-ending-march-2022.xlsx.ods

Due to the provisional and incomplete nature of this dataset, statistics on Released Under Investigation have been designated as ‘Official Statistics in Development’, to acknowledge that further development is ongoing to improve data quality.

Additionally, as different numbers of police forces have been able to provide Released Under Investigation data in each year, any trends on the number of people who were on Released Under Investigation for longer than a year should be interpreted with caution.


Written Question
Statistics
Tuesday 28th April 2026

Asked by: Lord Clement-Jones (Liberal Democrat - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government whether they will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity.

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the National Statistician and Chief Executive of the UK Statistics Authority.

The Lord Clement-Jones CBE

House of Lords

London

SW1A 0PW

28 April 2026

Dear Lord Clement-Jones,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Questions, asking whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate(HL16600); what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics (HL16601); whether the UK Statistics Authority will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity (HL16602); how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines (HL16603) and how the UK Statistics Authority plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics (HL16604)

The UK was involved in the development of the Consultative Advisory Board and its terms of reference, alongside like-minded partners, to ensure it is relevant and impactful for those who request its support. The ONS was not asked to be a member of the board, and its membership was nominated by the Bureau of the UN Statistical Commission. It is worth noting that membership rotates and the UK will have the opportunity to join in the future.

The UK continues to support the work of the UN Statistical Division, as it is one of the most prominent organisations working in global statistics. We are a member of the wider UN Statistical Commission’s membership and have been since its creation1. We continue to provide resource through our engagement and chairing of UN working groups and bureaus, leading the delivery of projects relevant to the production and dissemination of statistics.

The Code of Practice for Statistics2 sets standards that producers of official statistics should commit to and is already consistent with the UN Fundamental Principles. This is maintained by the Office for Statistics Regulation, the regulatory arm of the UK Statistics Authority.

The ONS will engage with the work of the Consultative Advisory Board through the usual member state engagement conducted for updates to manuals and guidelines produced by the UN Statistical Commission, the UN Statistical Division, or its regional commissions. This process is outlined with the terms of reference3 for the board.

Finally, the ONS regularly assists in efforts to highlight the importance of the Fundamental Principles of Official Statistics, taking part in events to increase their profile, including its 30th anniversary events in 20244. In addition to this, as mentioned above, we will oversee the work of the Advisory Board, engaging directly with its annual reports, and we will play an active role in the review of the Board’s work that is expected to be completed after its first year. This will help to ensure the work is impactful and relevant for statistical producers, whose outputs policy makers rely upon.

Yours sincerely,

Darren Tierney

1. https://unstats.un.org/unsd/statcom/57th-session/documents/Membership-2026.pdf

2. https://code.statisticsauthority.gov.uk/wp-content/uploads/2025/10/Code-of-Practice-for-Statistics-3.0.pdf

3. https://unstats.un.org/UNSDWebsite/statcom/session_57/documents/BG-3a- FPOS_CAB_Background_document_rev3-E.pdf

4. https://unece.org/FPOS30#accordion_6


Written Question
Government Departments: Statistics
Tuesday 28th April 2026

Asked by: Lord Clement-Jones (Liberal Democrat - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government how they plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics.

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the National Statistician and Chief Executive of the UK Statistics Authority.

The Lord Clement-Jones CBE

House of Lords

London

SW1A 0PW

28 April 2026

Dear Lord Clement-Jones,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Questions, asking whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate(HL16600); what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics (HL16601); whether the UK Statistics Authority will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity (HL16602); how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines (HL16603) and how the UK Statistics Authority plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics (HL16604)

The UK was involved in the development of the Consultative Advisory Board and its terms of reference, alongside like-minded partners, to ensure it is relevant and impactful for those who request its support. The ONS was not asked to be a member of the board, and its membership was nominated by the Bureau of the UN Statistical Commission. It is worth noting that membership rotates and the UK will have the opportunity to join in the future.

The UK continues to support the work of the UN Statistical Division, as it is one of the most prominent organisations working in global statistics. We are a member of the wider UN Statistical Commission’s membership and have been since its creation1. We continue to provide resource through our engagement and chairing of UN working groups and bureaus, leading the delivery of projects relevant to the production and dissemination of statistics.

The Code of Practice for Statistics2 sets standards that producers of official statistics should commit to and is already consistent with the UN Fundamental Principles. This is maintained by the Office for Statistics Regulation, the regulatory arm of the UK Statistics Authority.

The ONS will engage with the work of the Consultative Advisory Board through the usual member state engagement conducted for updates to manuals and guidelines produced by the UN Statistical Commission, the UN Statistical Division, or its regional commissions. This process is outlined with the terms of reference3 for the board.

Finally, the ONS regularly assists in efforts to highlight the importance of the Fundamental Principles of Official Statistics, taking part in events to increase their profile, including its 30th anniversary events in 20244. In addition to this, as mentioned above, we will oversee the work of the Advisory Board, engaging directly with its annual reports, and we will play an active role in the review of the Board’s work that is expected to be completed after its first year. This will help to ensure the work is impactful and relevant for statistical producers, whose outputs policy makers rely upon.

Yours sincerely,

Darren Tierney

1. https://unstats.un.org/unsd/statcom/57th-session/documents/Membership-2026.pdf

2. https://code.statisticsauthority.gov.uk/wp-content/uploads/2025/10/Code-of-Practice-for-Statistics-3.0.pdf

3. https://unstats.un.org/UNSDWebsite/statcom/session_57/documents/BG-3a- FPOS_CAB_Background_document_rev3-E.pdf

4. https://unece.org/FPOS30#accordion_6


Written Question
Statistics
Tuesday 28th April 2026

Asked by: Lord Clement-Jones (Liberal Democrat - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the National Statistician and Chief Executive of the UK Statistics Authority.

The Lord Clement-Jones CBE

House of Lords

London

SW1A 0PW

28 April 2026

Dear Lord Clement-Jones,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Questions, asking whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate(HL16600); what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics (HL16601); whether the UK Statistics Authority will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity (HL16602); how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines (HL16603) and how the UK Statistics Authority plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics (HL16604)

The UK was involved in the development of the Consultative Advisory Board and its terms of reference, alongside like-minded partners, to ensure it is relevant and impactful for those who request its support. The ONS was not asked to be a member of the board, and its membership was nominated by the Bureau of the UN Statistical Commission. It is worth noting that membership rotates and the UK will have the opportunity to join in the future.

The UK continues to support the work of the UN Statistical Division, as it is one of the most prominent organisations working in global statistics. We are a member of the wider UN Statistical Commission’s membership and have been since its creation1. We continue to provide resource through our engagement and chairing of UN working groups and bureaus, leading the delivery of projects relevant to the production and dissemination of statistics.

The Code of Practice for Statistics2 sets standards that producers of official statistics should commit to and is already consistent with the UN Fundamental Principles. This is maintained by the Office for Statistics Regulation, the regulatory arm of the UK Statistics Authority.

The ONS will engage with the work of the Consultative Advisory Board through the usual member state engagement conducted for updates to manuals and guidelines produced by the UN Statistical Commission, the UN Statistical Division, or its regional commissions. This process is outlined with the terms of reference3 for the board.

Finally, the ONS regularly assists in efforts to highlight the importance of the Fundamental Principles of Official Statistics, taking part in events to increase their profile, including its 30th anniversary events in 20244. In addition to this, as mentioned above, we will oversee the work of the Advisory Board, engaging directly with its annual reports, and we will play an active role in the review of the Board’s work that is expected to be completed after its first year. This will help to ensure the work is impactful and relevant for statistical producers, whose outputs policy makers rely upon.

Yours sincerely,

Darren Tierney

1. https://unstats.un.org/unsd/statcom/57th-session/documents/Membership-2026.pdf

2. https://code.statisticsauthority.gov.uk/wp-content/uploads/2025/10/Code-of-Practice-for-Statistics-3.0.pdf

3. https://unstats.un.org/UNSDWebsite/statcom/session_57/documents/BG-3a- FPOS_CAB_Background_document_rev3-E.pdf

4. https://unece.org/FPOS30#accordion_6


Written Question
Government Departments: Statistics
Tuesday 28th April 2026

Asked by: Lord Clement-Jones (Liberal Democrat - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the National Statistician and Chief Executive of the UK Statistics Authority.

The Lord Clement-Jones CBE

House of Lords

London

SW1A 0PW

28 April 2026

Dear Lord Clement-Jones,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Questions, asking whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate(HL16600); what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics (HL16601); whether the UK Statistics Authority will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity (HL16602); how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines (HL16603) and how the UK Statistics Authority plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics (HL16604)

The UK was involved in the development of the Consultative Advisory Board and its terms of reference, alongside like-minded partners, to ensure it is relevant and impactful for those who request its support. The ONS was not asked to be a member of the board, and its membership was nominated by the Bureau of the UN Statistical Commission. It is worth noting that membership rotates and the UK will have the opportunity to join in the future.

The UK continues to support the work of the UN Statistical Division, as it is one of the most prominent organisations working in global statistics. We are a member of the wider UN Statistical Commission’s membership and have been since its creation1. We continue to provide resource through our engagement and chairing of UN working groups and bureaus, leading the delivery of projects relevant to the production and dissemination of statistics.

The Code of Practice for Statistics2 sets standards that producers of official statistics should commit to and is already consistent with the UN Fundamental Principles. This is maintained by the Office for Statistics Regulation, the regulatory arm of the UK Statistics Authority.

The ONS will engage with the work of the Consultative Advisory Board through the usual member state engagement conducted for updates to manuals and guidelines produced by the UN Statistical Commission, the UN Statistical Division, or its regional commissions. This process is outlined with the terms of reference3 for the board.

Finally, the ONS regularly assists in efforts to highlight the importance of the Fundamental Principles of Official Statistics, taking part in events to increase their profile, including its 30th anniversary events in 20244. In addition to this, as mentioned above, we will oversee the work of the Advisory Board, engaging directly with its annual reports, and we will play an active role in the review of the Board’s work that is expected to be completed after its first year. This will help to ensure the work is impactful and relevant for statistical producers, whose outputs policy makers rely upon.

Yours sincerely,

Darren Tierney

1. https://unstats.un.org/unsd/statcom/57th-session/documents/Membership-2026.pdf

2. https://code.statisticsauthority.gov.uk/wp-content/uploads/2025/10/Code-of-Practice-for-Statistics-3.0.pdf

3. https://unstats.un.org/UNSDWebsite/statcom/session_57/documents/BG-3a- FPOS_CAB_Background_document_rev3-E.pdf

4. https://unece.org/FPOS30#accordion_6


Written Question
Government Departments: Statistics
Tuesday 28th April 2026

Asked by: Lord Clement-Jones (Liberal Democrat - Life peer)

Question to the Cabinet Office:

To ask His Majesty's Government whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate

Answered by Baroness Anderson of Stoke-on-Trent - Baroness in Waiting (HM Household) (Whip)

The information requested falls under the remit of the UK Statistics Authority.

Please see the letter attached from the National Statistician and Chief Executive of the UK Statistics Authority.

The Lord Clement-Jones CBE

House of Lords

London

SW1A 0PW

28 April 2026

Dear Lord Clement-Jones,

As Permanent Secretary of the Office for National Statistics (ONS), I am responding to your Parliamentary Questions, asking whether the UK submitted any nominations for the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics, and what steps they are taking to ensure UK expertise contributes to the Board's global mandate(HL16600); what, if any, financial or human resources they plan to contribute to the UN Statistics Division to support the operations of the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics (HL16601); whether the UK Statistics Authority will outline the national mechanisms in place in the UK to resolve issues regarding adherence to the UN's Fundamental Principles of Official Statistics, in light of the UN Consultative Advisory Board on the Fundamental Principles of Official Statistics' principle of subsidiarity (HL16602); how the UK Statistics Authority plans to engage with the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics to ensure that UK statistical producers adopt the Board's forthcoming updated implementation guidelines (HL16603) and how the UK Statistics Authority plan to assist the UN's Consultative Advisory Board on the Fundamental Principles of Official Statistics in its mandate to raise global awareness and facilitate dialogue sessions with policymakers to build trust in official statistics (HL16604)

The UK was involved in the development of the Consultative Advisory Board and its terms of reference, alongside like-minded partners, to ensure it is relevant and impactful for those who request its support. The ONS was not asked to be a member of the board, and its membership was nominated by the Bureau of the UN Statistical Commission. It is worth noting that membership rotates and the UK will have the opportunity to join in the future.

The UK continues to support the work of the UN Statistical Division, as it is one of the most prominent organisations working in global statistics. We are a member of the wider UN Statistical Commission’s membership and have been since its creation1. We continue to provide resource through our engagement and chairing of UN working groups and bureaus, leading the delivery of projects relevant to the production and dissemination of statistics.

The Code of Practice for Statistics2 sets standards that producers of official statistics should commit to and is already consistent with the UN Fundamental Principles. This is maintained by the Office for Statistics Regulation, the regulatory arm of the UK Statistics Authority.

The ONS will engage with the work of the Consultative Advisory Board through the usual member state engagement conducted for updates to manuals and guidelines produced by the UN Statistical Commission, the UN Statistical Division, or its regional commissions. This process is outlined with the terms of reference3 for the board.

Finally, the ONS regularly assists in efforts to highlight the importance of the Fundamental Principles of Official Statistics, taking part in events to increase their profile, including its 30th anniversary events in 20244. In addition to this, as mentioned above, we will oversee the work of the Advisory Board, engaging directly with its annual reports, and we will play an active role in the review of the Board’s work that is expected to be completed after its first year. This will help to ensure the work is impactful and relevant for statistical producers, whose outputs policy makers rely upon.

Yours sincerely,

Darren Tierney

1. https://unstats.un.org/unsd/statcom/57th-session/documents/Membership-2026.pdf

2. https://code.statisticsauthority.gov.uk/wp-content/uploads/2025/10/Code-of-Practice-for-Statistics-3.0.pdf

3. https://unstats.un.org/UNSDWebsite/statcom/session_57/documents/BG-3a- FPOS_CAB_Background_document_rev3-E.pdf

4. https://unece.org/FPOS30#accordion_6