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United Kingdom population pyramid 2000

59,057,338 people in 2000 (historical estimate). This page shows United Kingdom’s age and sex structure in 2000 and how it differs from 2026.

2000 population
59.1Mhistorical estimate
Median age
36.6 years2026: 40.2
Under age 15
18.9%2026: 16.7%
Age 65+
15.9%2026: 19.9%

United Kingdom population pyramid

2000 · Share of total by five-year age group and sex

Historical estimate
United Kingdom population pyramid for 2000: males on the left and females on the right Male share Female share 100+ males: 736 (0.0%) 100+ females: 6,018 (0.0%) 100+ 95–99 males: 9,945 (0.0%) 95–99 females: 51,977 (0.1%) 95–99 90–94 males: 66,201 (0.1%) 90–94 females: 223,257 (0.4%) 90–94 85–89 males: 229,626 (0.4%) 85–89 females: 535,654 (0.9%) 85–89 80–84 males: 451,904 (0.8%) 80–84 females: 805,539 (1.4%) 80–84 75–79 males: 840,909 (1.4%) 75–79 females: 1,190,339 (2.0%) 75–79 70–74 males: 1,078,337 (1.8%) 70–74 females: 1,294,937 (2.2%) 70–74 65–69 males: 1,244,727 (2.1%) 65–69 females: 1,353,963 (2.3%) 65–69 60–64 males: 1,438,763 (2.4%) 60–64 females: 1,471,012 (2.5%) 60–64 55–59 males: 1,579,035 (2.7%) 55–59 females: 1,664,139 (2.8%) 55–59 50–54 males: 1,999,580 (3.4%) 50–54 females: 2,009,353 (3.4%) 50–54 45–49 males: 1,851,290 (3.1%) 45–49 females: 1,946,300 (3.3%) 45–49 40–44 males: 2,009,563 (3.4%) 40–44 females: 2,099,122 (3.6%) 40–44 35–39 males: 2,143,191 (3.6%) 35–39 females: 2,275,519 (3.9%) 35–39 30–34 males: 2,199,952 (3.7%) 30–34 females: 2,333,644 (4.0%) 30–34 25–29 males: 2,060,029 (3.5%) 25–29 females: 2,077,994 (3.5%) 25–29 20–24 males: 1,802,430 (3.1%) 20–24 females: 1,796,608 (3.0%) 20–24 15–19 males: 1,901,043 (3.2%) 15–19 females: 1,832,453 (3.1%) 15–19 10–14 males: 1,929,301 (3.3%) 10–14 females: 1,850,722 (3.1%) 10–14 5–9 males: 1,962,277 (3.3%) 5–9 females: 1,867,653 (3.2%) 5–9 0–4 males: 1,830,003 (3.1%) 0–4 females: 1,742,299 (3.0%) 0–4 10%5% Age 5%10%

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Use the publication-ready SVG, create a high-resolution PNG, or download the complete age-by-sex dataset.

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Historical estimate

Values for 2000 are UN estimates reconstructed from censuses, surveys, and registration data available up to 2023; earlier years generally carry more uncertainty.

United Kingdom age structure in 2000

In 2000, children under 15 made up 18.9% of the population, people aged 15–64 65.2%, and people aged 65 or older 15.9%. On these shares the structure is classed as older; see the guide to constrictive population pyramids.

The total age dependency ratio was 53.4 (29.1 children and 24.4 people aged 65+ per 100 aged 15–64). The largest five-year groups were 30–34, 35–39, 25–29, which together accounted for 22.2% of the population.

Fertility was 1.64 births per woman and life expectancy at birth 77.8 years. The population changed by +0.38% during the year.

United Kingdom in 2000 compared with 2026

Between 2000 and 2026, United Kingdom’s population grew by 18% and the median age rose by 3.6 years. The table sets the two years side by side; percentage-point differences compare shares, not counts.

Indicator20002026Change
Population59,057,33869,931,528+18.4%
Median age (years)36.640.2+3.6
Under 1518.9%16.7%−2.2 pts
Aged 15–6465.2%63.3%−1.9 pts
Aged 65+15.9%19.9%+4.0 pts
Fertility rate1.641.53−0.11
Life expectancy (years)77.881.7+3.9
Males per 100 females94.197.1+3.0

United Kingdom population by age and sex in 2000

Counts by five-year age group, with everyone aged 100 or older combined. Download the CSV for every chart year.

Age groupMaleFemaleTotalShare
0–41,830,0031,742,2993,572,3026.0%
5–91,962,2771,867,6533,829,9306.5%
10–141,929,3011,850,7223,780,0236.4%
15–191,901,0431,832,4533,733,4966.3%
20–241,802,4301,796,6083,599,0386.1%
25–292,060,0292,077,9944,138,0237.0%
30–342,199,9522,333,6444,533,5967.7%
35–392,143,1912,275,5194,418,7107.5%
40–442,009,5632,099,1224,108,6857.0%
45–491,851,2901,946,3003,797,5906.4%
50–541,999,5802,009,3534,008,9336.8%
55–591,579,0351,664,1393,243,1745.5%
60–641,438,7631,471,0122,909,7754.9%
65–691,244,7271,353,9632,598,6904.4%
70–741,078,3371,294,9372,373,2744.0%
75–79840,9091,190,3392,031,2483.4%
80–84451,904805,5391,257,4432.1%
85–89229,626535,654765,2801.3%
90–9466,201223,257289,4580.5%
95–999,94551,97761,9220.1%
100+7366,0186,7540.0%

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APA

World Population Pyramid. (2026, September 28). United Kingdom Population Pyramid 2000. https://worldpopulationpyramid.com/countries/united-kingdom/2000/

MLA

“United Kingdom Population Pyramid 2000.” World Population Pyramid, 28 Sept. 2026, worldpopulationpyramid.com/countries/united-kingdom/2000/.

Chicago

World Population Pyramid. “United Kingdom Population Pyramid 2000.” Last modified September 28, 2026. https://worldpopulationpyramid.com/countries/united-kingdom/2000/.

Underlying data: United Nations, Department of Economic and Social Affairs, Population Division (2024). World Population Prospects 2024.

Frequently asked questions

What was the population of United Kingdom in 2000?

UN World Population Prospects 2024 estimates United Kingdom's population in 2000 at 59,057,338.

What was the median age in United Kingdom in 2000?

The median age was 36.6 years, compared with 40.2 years in 2026.

What share of United Kingdom was under 15 or 65+ in 2000?

18.9% were under 15 and 15.9% aged 65 or older, giving a total age dependency ratio of 53.4.

Sources and notes