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Algeria population pyramid 2100

64,487,527 people in 2100 (UN medium projection). This page shows Algeria’s age and sex structure in 2100 and how it differs from 2026.

2100 population
64.5MUN medium projection
Median age
46.8 years2026: 28.8
Under age 15
14.4%2026: 29.4%
Age 65+
28.8%2026: 7.0%

Algeria population pyramid

2100 · Share of total by five-year age group and sex

Medium projection
Algeria population pyramid for 2100: males on the left and females on the right Male share Female share 100+ males: 44,886 (0.1%) 100+ females: 70,805 (0.1%) 100+ 95–99 males: 191,493 (0.3%) 95–99 females: 243,924 (0.4%) 95–99 90–94 males: 614,676 (1.0%) 90–94 females: 692,456 (1.1%) 90–94 85–89 males: 1,261,348 (2.0%) 85–89 females: 1,326,319 (2.1%) 85–89 80–84 males: 1,775,017 (2.8%) 80–84 females: 1,801,580 (2.8%) 80–84 75–79 males: 1,848,051 (2.9%) 75–79 females: 1,834,040 (2.8%) 75–79 70–74 males: 1,754,300 (2.7%) 70–74 females: 1,714,104 (2.7%) 70–74 65–69 males: 1,743,839 (2.7%) 65–69 females: 1,685,611 (2.6%) 65–69 60–64 males: 1,880,807 (2.9%) 60–64 females: 1,805,946 (2.8%) 60–64 55–59 males: 2,055,785 (3.2%) 55–59 females: 1,966,862 (3.0%) 55–59 50–54 males: 2,113,916 (3.3%) 50–54 females: 2,018,267 (3.1%) 50–54 45–49 males: 2,014,210 (3.1%) 45–49 females: 1,921,120 (3.0%) 45–49 40–44 males: 1,853,694 (2.9%) 40–44 females: 1,767,189 (2.7%) 40–44 35–39 males: 1,751,668 (2.7%) 35–39 females: 1,668,996 (2.6%) 35–39 30–34 males: 1,743,376 (2.7%) 30–34 females: 1,661,407 (2.6%) 30–34 25–29 males: 1,772,781 (2.7%) 25–29 females: 1,690,012 (2.6%) 25–29 20–24 males: 1,784,067 (2.8%) 20–24 females: 1,701,257 (2.6%) 20–24 15–19 males: 1,745,783 (2.7%) 15–19 females: 1,665,105 (2.6%) 15–19 10–14 males: 1,653,954 (2.6%) 10–14 females: 1,577,770 (2.4%) 10–14 5–9 males: 1,573,620 (2.4%) 5–9 females: 1,501,444 (2.3%) 5–9 0–4 males: 1,532,921 (2.4%) 0–4 females: 1,463,122 (2.3%) 0–4 10%5% Age 5%10%

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Projection

Values for 2100 come from the UN World Population Prospects 2024 medium scenario. They depend on assumptions about fertility, mortality, and migration and are not forecasts guaranteed to occur.

Algeria age structure in 2100

In 2100, children under 15 are projected to make up 14.4% of the population, people aged 15–64 56.7%, and people aged 65 or older 28.8%. On these shares the structure is classed as older; see the guide to constrictive population pyramids.

The total age dependency ratio is projected to be 76.3 (25.4 children and 50.9 people aged 65+ per 100 aged 15–64). The largest five-year groups are 50–54, 55–59, 45–49, which together account for 18.7% of the population.

Fertility is projected to be 1.78 births per woman and life expectancy at birth 88.1 years. The population is projected to change by −0.19% during the year.

Algeria in 2100 compared with 2026

Between 2026 and 2100, the medium scenario has Algeria’s population growing by 34% and the median age rising by 18.0 years. The table sets the two years side by side; percentage-point differences compare shares, not counts.

Indicator20262100Change
Population48,028,33464,487,527+34.3%
Median age (years)28.846.8+18.0
Under 1529.4%14.4%−15.0 pts
Aged 15–6463.5%56.7%−6.8 pts
Aged 65+7.0%28.8%+21.8 pts
Fertility rate2.621.78−0.84
Life expectancy (years)76.988.1+11.2
Males per 100 females104.0102.9−1.1

Algeria population by age and sex in 2100

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

Age groupMaleFemaleTotalShare
0–41,532,9211,463,1222,996,0434.6%
5–91,573,6201,501,4443,075,0644.8%
10–141,653,9541,577,7703,231,7245.0%
15–191,745,7831,665,1053,410,8885.3%
20–241,784,0671,701,2573,485,3245.4%
25–291,772,7811,690,0123,462,7935.4%
30–341,743,3761,661,4073,404,7835.3%
35–391,751,6681,668,9963,420,6645.3%
40–441,853,6941,767,1893,620,8835.6%
45–492,014,2101,921,1203,935,3306.1%
50–542,113,9162,018,2674,132,1836.4%
55–592,055,7851,966,8624,022,6476.2%
60–641,880,8071,805,9463,686,7535.7%
65–691,743,8391,685,6113,429,4505.3%
70–741,754,3001,714,1043,468,4045.4%
75–791,848,0511,834,0403,682,0915.7%
80–841,775,0171,801,5803,576,5975.5%
85–891,261,3481,326,3192,587,6674.0%
90–94614,676692,4561,307,1322.0%
95–99191,493243,924435,4170.7%
100+44,88670,805115,6910.2%

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APA

World Population Pyramid. (2026, September 28). Algeria Population Pyramid 2100. https://worldpopulationpyramid.com/countries/algeria/2100/

MLA

“Algeria Population Pyramid 2100.” World Population Pyramid, 28 Sept. 2026, worldpopulationpyramid.com/countries/algeria/2100/.

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World Population Pyramid. “Algeria Population Pyramid 2100.” Last modified September 28, 2026. https://worldpopulationpyramid.com/countries/algeria/2100/.

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

Frequently asked questions

What is the projected population of Algeria in 2100?

UN World Population Prospects 2024 projects Algeria's population in 2100 at 64,487,527 under the medium scenario.

What will be the median age in Algeria in 2100?

The median age is projected to be 46.8 years, compared with 28.8 years in 2026.

What share of Algeria is projected to be under 15 or 65+ in 2100?

14.4% are projected to be under 15 and 28.8% aged 65 or older, giving a total age dependency ratio of 76.3.

Sources and notes