Armed forces personnel, total in United Kingdom

United Kingdom: Armed forces personnel, total was 153,000 in 2020. ▼ Falling

Latest (2020)
153,000
Change on year
up 2.7%
World rank
41st
of 173 countries
All-time high
334,000
in 1985
All-time low
148,000
in 2017
Years of data
33
1985–2020

Armed forces personnel, total in United Kingdom, 1985–2020

0100.0k200.0k300.0k1985200220201985: 334.0k1989: 318.0k1990: 308.0k1991: 301.0k1992: 293.0k1993: 271.0k1994: 257.0k1995: 233.0k1996: 221.0k1997: 218.0k1998: 218.0k1999: 218.0k2000: 212.5k2001: 211.4k2002: 210.4k2003: 212.6k2004: 205.0k2005: 217.0k2006: 181.0k2007: 160.0k2008: 160.0k2009: 178.5k2010: 174.0k2011: 165.7k2012: 169.2k2013: 159.2k2014: 154.7k2015: 152.3k2016: 150.2k2017: 148.0k2018: 148.4k2019: 149.0k2020: 153.0k

Source: The Military Balance, International Institute for Strategic Studies.

Analysis

In 2020, armed forces personnel, total in United Kingdom stood at 153,000.

The figure is up 2.7% on the previous year and down 12.1% over ten years.

Over the whole period, armed forces personnel, total in United Kingdom peaked at 334,000 in 1985 and was at its lowest, 148,000, in 2017.

That places United Kingdom 41st out of 173 countries with data for 2020, putting it in the top quarter.

The long-run direction has been consistently falling across the 33 years of available data.

Armed forces personnel, total in United Kingdom, year by year

Annual values for Armed forces personnel, total in United Kingdom, 1985 to 2020.
Year Value Change
1985 334,000
1989 318,000 -4.8%
1990 308,000 -3.1%
1991 301,000 -2.3%
1992 293,000 -2.7%
1993 271,000 -7.5%
1994 257,000 -5.2%
1995 233,000 -9.3%
1996 221,000 -5.2%
1997 218,000 -1.4%
1998 218,000 +0.0%
1999 218,000 +0.0%
2000 212,500 -2.5%
2001 211,400 -0.5%
2002 210,400 -0.5%
2003 212,600 +1.0%
2004 205,000 -3.6%
2005 217,000 +5.9%
2006 181,000 -16.6%
2007 160,000 -11.6%
2008 160,000 +0.0%
2009 178,470 +11.5%
2010 174,020 -2.5%
2011 165,650 -4.8%
2012 169,150 +2.1%
2013 159,150 -5.9%
2014 154,700 -2.8%
2015 152,350 -1.5%
2016 150,250 -1.4%
2017 148,000 -1.5%
2018 148,450 +0.3%
2019 149,000 +0.4%
2020 153,000 +2.7%

United Kingdom compared with similar countries

  • United Kingdom's 153,000 is above the median for high income countries, which is 25,000, 6.1× the median. (57 countries reporting)
  • United Kingdom's 153,000 is above the median for Europe & Central Asia, which is 26,500, 5.8× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 326,000 318,000 334,000 2
1990s 253,800 218,000 308,000 10
2000s 194,837 160,000 217,000 10
2010s 157,072 148,000 174,020 10
2020s 153,000 153,000 153,000 1

Countries ranked near United Kingdom

  1. 38 Belarus 158,000 compare
  2. 38 Peru 158,000 compare
  3. 40 Philippines 157,000 compare
  4. 42 Greece 147,000 compare
  5. 43 Sudan 144,000 compare
  6. 44 Ethiopia 138,000 compare

See the full ranking of 219 places →

More public sector data for United Kingdom

All data for United Kingdom →

Frequently asked questions

What is armed forces personnel, total in United Kingdom?
Armed forces personnel, total in United Kingdom was 153,000 in 2020, according to The Military Balance, International Institute for Strategic Studies.
What is the highest armed forces personnel, total recorded in United Kingdom?
The highest recorded value was 334,000 in 1985.
What is the lowest armed forces personnel, total recorded in United Kingdom?
The lowest recorded value was 148,000 in 2017.
How does United Kingdom rank for armed forces personnel, total?
United Kingdom ranks 41st out of 173 countries with data for 2020.
Is armed forces personnel, total rising or falling in United Kingdom?
Over the last ten years it is down 12.1%. The long-run trend across the full record is falling.
Where does this United Kingdom data come from?
The figures come from The Military Balance, International Institute for Strategic Studies, published as part of Armed forces personnel, total. Statizoid updates them automatically from the source API.

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Armed forces personnel, total in United Kingdom. Statizoid, drawing on The Military Balance, International Institute for Strategic Studies. Retrieved 23 September 2026, from https://public-sector.statizoid.com/stat/armed-forces-personnel-total/united-kingdom/

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About this data

Indicator
Armed forces personnel, total
Source
The Military Balance, International Institute for Strategic Studies
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
219 places, 6,823 data points, 1985–2020
Last refreshed

Armed forces personnel are active duty military personnel, including paramilitary forces if the training, organization, equipment, and control suggest they may be used to support or replace regular military forces.