Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland

United Kingdom of Great Britain and Northern Ireland: Armed forces personnel, total, gaps filled 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
36
1985–2020

Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland, 1985–2020

0100.0k200.0k300.0k1985200220201985: 334.0k1986: 330.0k1987: 326.0k1988: 322.0k1989: 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: Statizoid (derived).

Analysis

The most recent figure for armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland is 153,000, measured in 2020.

Compared with earlier readings it is up 2.7% on the previous year and down 12.1% over ten years.

Over the whole period, armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland peaked at 334,000 in 1985 and was at its lowest, 148,000, in 2017.

United Kingdom of Great Britain and Northern Ireland ranks 41st of 173 countries on this measure, in the top quarter.

The long-run direction has been consistently falling across the 36 years of available data.

Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland, year by year

Annual values for Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland, 1985 to 2020.
Year Value Change
1985 334,000
1986 330,000 -1.2%
1987 326,000 -1.2%
1988 322,000 -1.2%
1989 318,000 -1.2%
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%

Averages by decade

DecadeAverage LowestHighest Years
1980s 326,000 318,000 334,000 5
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 of Great Britain and Northern Ireland

  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 of Great Britain and Northern Ireland

All data for United Kingdom of Great Britain and Northern Ireland →

Frequently asked questions

What is armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland?
Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland was 153,000 in 2020, according to Statizoid (derived).
What is the highest armed forces personnel, total, gaps filled recorded in United Kingdom of Great Britain and Northern Ireland?
The highest recorded value was 334,000 in 1985.
What is the lowest armed forces personnel, total, gaps filled recorded in United Kingdom of Great Britain and Northern Ireland?
The lowest recorded value was 148,000 in 2017.
How does United Kingdom of Great Britain and Northern Ireland rank for armed forces personnel, total, gaps filled?
United Kingdom of Great Britain and Northern Ireland ranks 41st out of 173 countries with data for 2020.
Is armed forces personnel, total, gaps filled rising or falling in United Kingdom of Great Britain and Northern Ireland?
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 of Great Britain and Northern Ireland data come from?
The figures come from Statizoid (derived), published as part of Armed forces personnel, total, gaps filled. Statizoid updates them automatically from the source API.

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Armed forces personnel, total, gaps filled in United Kingdom of Great Britain and Northern Ireland. Statizoid, drawing on Statizoid (derived). Retrieved 24 August 2026, from https://public-sector.statizoid.com/stat/armed-forces-personnel-total-gaps-filled/united-kingdom/

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How this figure is calculated

Armed forces personnel, total with 597 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Armed forces personnel, total, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
219 places, 7,420 data points, 1985–2020
Last refreshed

Armed forces personnel, total with 597 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.