The latest public service pension projections covering a 50-year horizon were published by HM Treasury in the 2006 Long-Term Public Finance report, table 5.1. The report shows that spending as a share of GDP is projected to be very stable over the coming decades, fluctuating between 1.8 per cent. in 2015-16 to 2 per cent. of GDP in 2055-56. The report publishes projections on a 10-year basis.