The total cost to the public purse of paying government ministers is £4.5m, the Cabinet Office has said.
The coalition government led by David Cameron and Nick Clegg currently has 108 paid ministers and 13 unpaid ministers.
Cabinet office minister Lord Wallace of Saltaire published the figures in response to a written parliamentary question from Conservative peer Lord Jopling.
"The total ministerial salary cost for these paid individuals is approximately £4.5m per year: this breaks down as a £3.5m cost for Commons Ministers and £1m cost for Lords Ministers," he said.
Under the Ministerial and other Salaries Act 1975 the number of paid ministers is capped at 109. Successive governments have sidestepped this rule by appointing ministers but not paying them a salary.
Politicians who hold government office effectively have two jobs, as both a MP or peer and as a minister.
Ministers receive varying saleries depending on their post. The prime minister's combined pay as a MP and as a minister is £142,500.
A cabinet minister who sits in the Commons such as foreign secretary William Hague and chancellor George Osborne receive £134,565.
Upon coming to office in May 2010 the government imposed a ministerial pay freeze for the lifetime of the Parliament.