The Age Addition is paid to people who reached State Pension age prior to 6th April 2016 when they claim their State Pension and attain 80 years of age. It is not payable to those people who reached State Pension age on or after 6th April 2016. In March 2019, the most recent date for which data are available, there were approximately 3.3m people in receipt of the payment, at a weekly cost of approximately £820,000. Source: DWP Administrative data, March 2019