Parliamentary Voting System and Constituencies Act 2011


make provision for a referendum on the voting system for parliamentary elections and to provide for parliamentary elections to be held under the alternative vote system if a majority of those voting in the referendum are in favour of that; to make provision about the number and size of parliamentary constituencies; and for connected purposes.

Government Bill

What is this Bill?

The Parliamentary Voting System and Constituencies Act 2011 was a Government Bill that became an Act of Parliament.

Is this Bill currently before Parliament?

No. This Bill was introduced on 22 July 2010 and became an Act of Parliament on 16 February 2011.

Whose idea is this Bill?

Government Bills implement the legislative agenda of the Government. This agenda, and the Bills that will implement it, are outlined in the Queen's Speech at the Session's State Opening of Parliament.

How can I find out exactly what this Bill does?

The most straightforward information is contained in the initial Explanatory Notes for the Bill.

Would you like to know more?

See these Glossary articles for more information: Act of Parliament, Government Bills, Process of a Bill

Sponsor: Nick Clegg

Official Bill Page Initial Explanatory Notes Initial Briefing papers

This bill has received Royal Assent and has become an Act of Parliament

Bill Progession through Parliament

Commons Completed
Lords Completed
Royal Assent

Timeline of Bill Documents and Stages

23rd February 2011
Act of Parliament
Parliamentary Voting System and Constituencies Act 2011 c.1
21st February 2011
Briefing papers
Summary of amendments to the Bill
17th February 2011
Public Bill Committee and report stage proceedings: Commons
Proceedings on Consideration of Lords Message as at 16 February 2011
16th February 2011
Consideration of Commons amendmentsPing Pong (Lords)
16th February 2011
Consideration of Commons amendmentsPing Pong (Lords)
16th February 2011
Royal Assent (Commons)
16th February 2011
Consideration of Lords amendmentsPing Pong (Commons)
16th February 2011
Amendment papers
Marshalled List for Consideration of Commons Reasons and Amendments as at 15 February 2011
16th February 2011
Public Bill Committee and report stage proceedings: Commons
Proceedings on Consideration of Lords Amendments as at 15 February 2011
15th February 2011
Consideration of Lords amendmentsPing Pong (Commons)
15th February 2011
Programme motion (No. 5)
15th February 2011
Money resolution (No. 2)
15th February 2011
Amendment papers
Consideration of Lords Amendments as at 15 February 2011
15th February 2011
Bills
Bill 147 2010-11 (Lords Amendments to the)
15th February 2011
Explanatory Notes
BILL 147 EN (explanatory notes to bill)
15th February 2011
Selection of amendments: Commons
Consideration of Lords Amendments (PDF, 13KB)
14th February 2011
3rd reading (Lords)
14th February 2011
Amendment papers
Marshalled List of Amendments to be moved on Third Reading
10th February 2011
Bills
HL Bill 47 (as amended on Report)
9th February 2011
Report stage:Report: 3rd sitting (Lords)
9th February 2011
Amendment papers
Third Marshalled List of Amendments to be moved on Report as at 8 February 2011 (PDF, 314KB)
8th February 2011
Report stage:Report: 2nd sitting (Lords)
8th February 2011
Amendment papers
Second Marshalled List of Amendments to be moved on Report as at 7 February 2011
7th February 2011
Report stage:Report: 1st sitting (Lords)
7th February 2011
Amendment papers
Revised Marshalled List of Amendments to be moved on Report as at 4 February 2011
4th February 2011
Amendment papers
Marshalled List of Amendments to be moved on Report as at 3 February 2011
3rd February 2011
Bills
HL Bill 44 2010-11 (as amended in Committee)
2nd February 2011
Committee stage:Committee: 17th sitting (Lords)
2nd February 2011
Amendment papers
Sixteenth Marshalled List of Amendments to be moved in Committee as at 1 February 2011
1st February 2011
Committee stage:Committee: 16th sitting (Lords)
1st February 2011
Amendment papers
Fifteenth Marshalled List of Amendments to be moved in Committee as at 31 January 2011
31st January 2011
Committee stage:Committee: 15th sitting (Lords)
31st January 2011
Amendment papers
Revised Fourteenth Marshalled List of Amendments to be moved in Committee as at 28 January 2011
28th January 2011
Amendment papers
Fourteenth Marshalled List of Amendments to be moved in Committee as at 27 January 2011
26th January 2011
Committee stage:Committee: 14th sitting (Lords)
26th January 2011
Amendment papers
Thirteenth Marshalled List of Amendments to be moved in Committee as at 25 January 2011
25th January 2011
Committee stage:Committee: 13th sitting (Lords)
25th January 2011
Amendment papers
Twelfth Marshalled List of Amendments to be moved in Committee as at 24 January 2011
24th January 2011
Committee stage:Committee: 12th sitting (Lords)
24th January 2011
Amendment papers
Revised Eleventh Marshalled List of Amendments to be moved in Committee as at 21 January 2011
21st January 2011
Amendment papers
Eleventh Marshalled List of Amendments to be moved in Committee as at 20 January 2011
19th January 2011
Committee stage:Committee: 11th sitting (Lords)
19th January 2011
Amendment papers
Tenth Marshalled List of Amendments to be moved in Committee as at 18 January 2011
18th January 2011
Committee stage:Committee: 10th sitting (Lords)
17th January 2011
Committee stage:Committee: 9th sitting (Lords)
17th January 2011
Amendment papers
Revised Ninth Marshalled List of Amendments to be moved in Committee as at 14 January 2011
14th January 2011
Amendment papers
Ninth Marshalled List of Amendments to be moved in Committee as at 13 January 2011
12th January 2011
Committee stage:Committee: 8th sitting (Lords)
12th January 2011
Amendment papers
Supplementary to the Eighth Marshalled List of Amendments to be moved in Committee as at 11 January 2011
11th January 2011
Amendment papers
Eighth Marshalled List of Amendments to be moved in Committee as at 10 January 2011
10th January 2011
Committee stage:Committee: 7th sitting (Lords)
10th January 2011
Amendment papers
Supplementary to the Seventh Marshalled List of Amendments to be moved in Committee as at 7 January 2011
7th January 2011
Amendment papers
Seventh Marshalled List of Amendments to be moved in Committee as at 6 January 2011
23rd December 2010
Amendment papers
Supplementary to the Revised Sixth Marshalled List of Amendments to be moved in Committee as at 22 December 2010
22nd December 2010
Amendment papers
Supplementary to the Revised Sixth Marshalled List of Amendments to be moved in Committee as at 21 December 2010
21st December 2010
Amendment papers
Supplementary to the Revised Sixth Marshalled List of Amendments to be moved in Committee as at 20 December 2010
20th December 2010
Committee stage:Committee: 6th sitting (Lords)
20th December 2010
Amendment papers
Revised Sixth Marshalled List of Amendments to be moved in Committee as at 17 December 2010
17th December 2010
Amendment papers
Sixth Marshalled List of Amendments to be moved in Committee as at 16 December 2010
16th December 2010
Amendment papers
Supplementary to the Fifth Marshalled List of Amendments to be moved in Committee as at 15 December 2010
15th December 2010
Committee stage:Committee: 5th sitting (Lords)
15th December 2010
Amendment papers
Supplementary to the Fifth Marshalled List of Amendments to be moved in Committee as at 14 December 2010
14th December 2010
Amendment papers
Fifth Marshalled List of Amendments to be moved in Committee as at 13 December 2010
13th December 2010
Committee stage:Committee: 4th sitting (Lords)
13th December 2010
Amendment papers
Supplementary to the Fourth Marshalled List of Amendments to be moved in Committee as at 10 December 2010
10th December 2010
Amendment papers
Fourth Marshalled List of Amendments to be moved in Committee as at 9 December 2010
9th December 2010
Amendment papers
Supplementary to the Third Marshalled List of Amendments to be moved in Committee as at 8 December 2010
8th December 2010
Committee stage:Committee: 3rd sitting (Lords)
8th December 2010
Amendment papers
Supplementary to the Third Marshalled List of Amendments to be moved in Committee as at 7 December 2010
7th December 2010
Amendment papers
Third Marshalled List of Amendments to be moved in Committee as at 2 December 2010
6th December 2010
Committee stage:Committee: 2nd sitting (Lords)
3rd December 2010
Amendment papers
Second Marshalled List of Amendments to be moved in Committee as at 2 December 2010
1st December 2010
Amendment papers
Amendments to be moved in Committee supplementary to the Marshalled List as at 30 November 2010
30th November 2010
Committee stage:Committee: 1st sitting (Lords)
30th November 2010
Amendment papers
Revised Marshalled List of Amendments to be moved in Committee as at 29 November 2010
29th November 2010
Amendment papers
Marshalled List of Amendments to be moved in Committee as at 26 November 2010
26th November 2010
Amendment papers
Amendments to be moved in Committee as at 26 November 2010
25th November 2010
Amendment papers
Amendments to be moved in Committee as at 24 November 2010
24th November 2010
Amendment papers
Amendments to be moved in Committee as at 23 November 2010
23rd November 2010
Amendment papers
Amendments to be moved in Committee as at 22 November 2010
19th November 2010
Amendment papers
Amendments to be moved in Committee as at 18 November 2010
18th November 2010
Amendment papers
Amendments to be moved in Committee as at 17 November 2010
16th November 2010
2nd reading (Lords)
15th November 2010
2nd reading (Lords)
4th November 2010
Bills
HL Bill 26 201011 (as brought from the Commons on 3 November 2010)
4th November 2010
Explanatory Notes
HL BILL 26 EN (explanatory notes to bill)
3rd November 2010
1st reading (Lords)
3rd November 2010
Public Bill Committee and report stage proceedings: Commons
Report Stage Proceedings as at 2 November 2010
2nd November 2010
3rd reading (Commons)
2nd November 2010
Report stage:Report: 2nd sitting (Commons)
2nd November 2010
Public Bill Committee and report stage proceedings: Commons
Report Stage Proceedings as at 1 November 2010
2nd November 2010
Amendment papers
Consideration of Bill as at 2 November 2010
1st November 2010
Report stage:Report: 1st sitting (Commons)
1st November 2010
Programme motion (No. 4)
1st November 2010
Amendment papers
Consideration of Bill as at 1 November 2010
1st November 2010
Selection of amendments: Commons
Report Stage - selection for both days (PDF, 15KB)
29th October 2010
Amendment papers
Notices of Amendments given on 28 October 2010
28th October 2010
Amendment papers
Notices of Amendments given on 27 October 2010
27th October 2010
Amendment papers
Notices of Amendments given on 26 October 2010
26th October 2010
Bills
Bill 98 2010-11 (as amended in the Committee)
26th October 2010
Amendment papers
Notices of Amendments given on 25 October 2010
26th October 2010
Tracked changes versions of Bills: Commons
Bill showing changes in the Committee (PDF, 1MB)
25th October 2010
Committee stage:Committee: 3rd sitting (Commons)
25th October 2010
Selection of amendments: Commons
Committee of the Whole House: 5th Day (PDF, 13KB)
25th October 2010
Amendment papers
Committee of the Whole House as at 25 October 2010
22nd October 2010
Amendment papers
Notices of Amendments given on 21 October 2010
20th October 2010
Committee stage:Committee: 4th sitting (Commons)
20th October 2010
Amendment papers
Committee of the Whole House Amendments as at 20 October 2010
20th October 2010
Selection of amendments: Commons
Committee of the Whole House - Fourth Day (PDF, 12KB)
19th October 2010
Committee stage:Committee: 3rd sitting (Commons)
19th October 2010
Programme motion (No.3)
19th October 2010
Selection of amendments: Commons
Committee of the Whole House - Third Day (PDF, 13KB)
19th October 2010
Amendment papers
Committee of the Whole House Amendments as at 19 October 2010
18th October 2010
Committee stage:Committee: 2nd sitting (Commons)
18th October 2010
Amendment papers
Committee of the Whole House Amendments as at 18 October 2010
18th October 2010
Selection of amendments: Commons
Committee of the Whole House - Second Day (PDF, 13KB)
15th October 2010
Amendment papers
Notices of Amendments given on 14 October 2010
14th October 2010
Amendment papers
Notices of Amendments given on 13 October 2010
13th October 2010
Amendment papers
Notices of Amendments given on 12 October 2010
12th October 2010
Committee stage:Committee: 1st sitting (Commons)
12th October 2010
Programme motion (No. 2)
12th October 2010
Amendment papers
Committee of the Whole House Amendments as at 12 October 2010
12th October 2010
Selection of amendments: Commons
Committee of the Whole House - First Day (re-issued) (PDF, 11KB)
11th October 2010
Selection of amendments: Commons
Committee of the Whole House - First Day (PDF, 11KB)
11th October 2010
Amendment papers
Notices of Amendments given up to and including 8 October 2010
8th October 2010
Amendment papers
Notices of Amendments given on 7 October 2010
17th September 2010
Amendment papers
Notices of Amendments given on 16 September 2010
16th September 2010
Amendment papers
Notices of Amendments given on 15 September 2010
15th September 2010
Amendment papers
Notices of Amendments given on 14 September 2010
14th September 2010
Amendment papers
Notices of Amendments given on 13 September 2010
10th September 2010
Amendment papers
Notices of Amendments given on 9 September 2010
9th September 2010
Amendment papers
Notices of Amendments given on 8 September 2010
8th September 2010
Amendment papers
Notices of Amendments given on 7 September 2010
7th September 2010
Amendment papers
Notices of Amendments given on 6 September 2010
6th September 2010
2nd reading (Commons)
6th September 2010
Money resolution
6th September 2010
Programme motion (No. 1)
22nd July 2010
1st reading (Commons)
22nd July 2010
Explanatory Notes
Bill 63 EN 2010-11
22nd July 2010
Bills
Bill 63 2010-11 (as Introduced)