Question to the Department for Work and Pensions:

To ask the Secretary of State for Work and Pensions, how many complaints about the Child Maintenance Service were received in each of the last five years, and how many were (a) upheld, (b) partly upheld and (c) not upheld.

The Department regularly publishes Child Maintenance Service official statistics. The complaints received for quarter ending June 2015 to quarter ending June 2025 are available in Table 11 of the accompanying National tables.

A new publication containing data on DWP complaints received and their outcomes, including those within the Child Maintenance Service, is due to be published on 16 December 2025. Data within this publication will cover the period quarter ending September 2020 to quarter ending September 2025.