Question to the Home Office:

To ask the Secretary of State for the Home Department, what the annual research and development budget was of the intelligence agencies in each year since 2010.

The budget for the Security and Intelligence Agencies is paid through the Single Intelligence Account (SIA). This is published on an annual basis. The total budgets since 2010 are:

2021/22 - £4.12 billion

2020/21 - £3.72 billion

2019/20 - £3.49 billion

2018/19 – £3.22 billion

2017/18 – £3.02 billion

2016/17 - £2.92 billion

2015/16 – £2.93 billion

2014/15 - £2.63 billion

2013/14 - £2.52 billion

2012/13 - £2.54 billion

2011/12 - £2.38 billion

2010/11 - £2.01 billion

We do not publish break downs on research and development expenditure for national security reasons. Security and Intelligence Agency budgets are audited by the National Audit Office and expenditure is scrutinised by the Intelligence and Security Committee of Parliament.