DEFRA is not responsible for the administration of any public sector pension scheme but most of its staff are members of the Principal Civil Service Pension scheme (PCSPS). The information requested and other useful information is contained in the scheme's annual resource accounts which can be accessed via its website:
and is also available from the House of Commons Library.
Information on liabilities in present value terms is in the scheme's annual Resource Accounts (since 2000-01) although these are produced under differing sets of assumptions (e.g. on longevity), so are not directly comparable across years. The vast majority of DEFRA staff are members of the Principal Civil Service Pension Scheme (PCSPS) and the Resource Accounts can be accessed via the scheme's website at:
and are also available from the House of Commons Library.