The UK Government has been tracking their Space Industry size since 2000/01. The chart below summarizes the size of the industry from 2000/01 to 2020/21. The prices have been normalized to 2019/20 prices.

The following infographics provide summary data from 2019/20 to 2014/15. Detailed reference documents are available at the end.
2020/21

2018/19

2016/17

2014/15

2009/10 to 2013/14

2007/08 to 2011/12
