Largest cities in Algeria, 1975 to 2050

Algiers leads Algeria with 3.25 million people in 2025, ahead of Oran at 1.19 million in the UN city ranking.

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What the data shows

In 2025, Algiers ranks #1 with 3.25M, ahead of Oran (1.19M) and Blida (0.66M).
By 2050, on the UN's projections, Algiers is projected to rank #1 with 3.69M, ahead of Oran (1.45M) and Blida (0.77M).
Algiers holds #1 for the whole period, 1975 to 2025.
Biggest climber: Boumerdes, from #13 in 1985 to #4 in 2050.
Algiers grew 2.2× between 1975 and 2025.
Boumerdes and Djelfa weren't on the board in 1975 but are in the top 5 by 2050.

About this chart

Algiers and Oran head the 2025 ranking for Algeria, at 3.25 million and 1.19 million people. Algiers also appears first in 1975, at 1.51 million, so the top position is unchanged between those two endpoints. Blida occupies third place in 2025 at 0.66 million. These are populations of urban areas defined consistently by the UN, rather than administrative city limits.

The UN projects Algiers to lead in 2050 at 3.69 million people. The figures after 2025 are projections. The Degree of Urbanization identifies contiguous dense settlements, so these totals can differ from municipal and metropolitan statistics. The historical ranking is useful for comparing positions; changing settlement boundaries mean it should not be treated as a measure of growth within fixed city limits.

The data

Source: UN DESA, World Urbanization Prospects: The 2025 Revision (File 21), city population, millions, 1975–2050 (projected after 2025). Retrieved November 5, 2026. Cities as defined by the Degree of Urbanization (contiguous dense areas), so figures differ from city-proper or metro counts. Blank cells indicate that the source supplies no city value for that year, not zero population.

Largest cities in Algeria, Population in millions, 1975–2050; projected after 2025, 1975–2050
Date	🇩🇿 Algiers	🇩🇿 Oran	🇩🇿 Constantine	🇩🇿 Annaba	🇩🇿 Blida	🇩🇿 Setif	🇩🇿 Sidi Bel Abbes	🇩🇿 Batna	🇩🇿 Bejaia	🇩🇿 Tlemcen	🇩🇿 Biskra	🇩🇿 Skikda	🇩🇿 Boumerdes	🇩🇿 Djelfa
1975	1.51M	0.45M	0.32M	0.26M	0.12M	0.12M	0.12M	0.09M	0.08M	0.07M	0.07M	0.07M
1976	1.54M	0.47M	0.33M	0.27M	0.12M	0.12M	0.12M	0.09M	0.08M	0.08M	0.07M	0.07M
1977	1.56M	0.48M	0.34M	0.29M	0.13M	0.13M	0.12M	0.10M	0.08M	0.08M	0.07M	0.07M
1978	1.58M	0.49M	0.35M	0.30M	0.13M	0.13M	0.12M	0.10M	0.08M	0.08M	0.08M	0.07M
1979	1.60M	0.51M	0.36M	0.31M	0.13M	0.13M	0.13M	0.11M	0.09M	0.08M	0.08M	0.08M
1980	1.62M	0.52M	0.37M	0.33M	0.14M	0.14M	0.13M	0.12M	0.09M	0.09M	0.08M	0.08M
1981	1.63M	0.53M	0.38M	0.34M	0.14M	0.14M	0.13M	0.13M	0.09M	0.09M	0.09M	0.08M
1982	1.64M	0.55M	0.39M	0.35M	0.15M	0.15M	0.14M	0.13M	0.09M	0.10M	0.09M	0.09M
1983	1.66M	0.56M	0.40M	0.35M	0.15M	0.15M	0.14M	0.14M	0.10M	0.10M	0.10M	0.09M
1984	1.67M	0.57M	0.41M	0.36M	0.16M	0.16M	0.15M	0.15M	0.10M	0.10M	0.10M	0.09M
1985	1.68M	0.59M	0.41M	0.37M	0.16M	0.16M	0.15M	0.16M	0.10M	0.11M	0.11M	0.10M	0.06M	0.06M
1986	1.70M	0.60M	0.43M	0.38M	0.17M	0.17M	0.15M	0.17M	0.11M	0.11M	0.11M	0.10M	0.06M	0.06M
1987	1.72M	0.61M	0.44M	0.38M	0.17M	0.17M	0.15M	0.18M	0.11M	0.12M	0.12M	0.11M	0.06M	0.07M
1988	1.75M	0.62M	0.45M	0.39M	0.18M	0.17M	0.16M	0.18M	0.11M	0.13M	0.12M	0.12M	0.07M	0.07M
1989	1.77M	0.63M	0.46M	0.39M	0.18M	0.18M	0.16M	0.19M	0.12M	0.13M	0.13M	0.13M	0.07M	0.08M
1990	1.79M	0.64M	0.47M	0.40M	0.19M	0.18M	0.16M	0.20M	0.12M	0.14M	0.13M	0.14M	0.07M	0.08M
1991	1.84M	0.65M	0.47M	0.40M	0.20M	0.18M	0.16M	0.20M	0.12M	0.14M	0.14M	0.14M	0.09M	0.09M
1992	1.88M	0.66M	0.47M	0.41M	0.20M	0.19M	0.17M	0.21M	0.12M	0.15M	0.14M	0.15M	0.10M	0.09M
1993	1.92M	0.67M	0.47M	0.41M	0.21M	0.19M	0.17M	0.21M	0.13M	0.16M	0.15M	0.15M	0.12M	0.10M
1994	1.97M	0.67M	0.48M	0.41M	0.22M	0.20M	0.17M	0.22M	0.13M	0.16M	0.15M	0.16M	0.13M	0.11M
1995	2.01M	0.68M	0.48M	0.42M	0.22M	0.20M	0.17M	0.23M	0.13M	0.17M	0.16M	0.16M	0.15M	0.11M
1996	2.04M	0.71M	0.48M	0.41M	0.24M	0.21M	0.17M	0.23M	0.14M	0.17M	0.16M	0.16M	0.15M	0.12M
1997	2.08M	0.74M	0.48M	0.41M	0.26M	0.21M	0.18M	0.24M	0.14M	0.17M	0.17M	0.17M	0.16M	0.13M
1998	2.11M	0.77M	0.48M	0.41M	0.28M	0.21M	0.18M	0.24M	0.14M	0.18M	0.17M	0.17M	0.17M	0.14M
1999	2.15M	0.80M	0.48M	0.41M	0.29M	0.22M	0.18M	0.25M	0.14M	0.18M	0.17M	0.17M	0.18M	0.15M
2000	2.18M	0.83M	0.48M	0.41M	0.31M	0.22M	0.18M	0.26M	0.15M	0.18M	0.18M	0.17M	0.18M	0.15M
2001	2.23M	0.85M	0.48M	0.41M	0.33M	0.23M	0.19M	0.26M	0.15M	0.19M	0.18M	0.17M	0.19M	0.17M
2002	2.28M	0.86M	0.49M	0.41M	0.35M	0.23M	0.19M	0.26M	0.15M	0.20M	0.18M	0.18M	0.20M	0.18M
2003	2.33M	0.88M	0.50M	0.41M	0.38M	0.23M	0.19M	0.27M	0.15M	0.20M	0.18M	0.18M	0.21M	0.19M
2004	2.38M	0.89M	0.50M	0.42M	0.40M	0.23M	0.19M	0.27M	0.16M	0.21M	0.19M	0.18M	0.22M	0.20M
2005	2.43M	0.90M	0.51M	0.42M	0.42M	0.24M	0.20M	0.28M	0.16M	0.21M	0.19M	0.18M	0.23M	0.22M
2006	2.48M	0.92M	0.51M	0.42M	0.43M	0.24M	0.20M	0.28M	0.16M	0.22M	0.19M	0.19M	0.26M	0.23M
2007	2.54M	0.93M	0.51M	0.42M	0.44M	0.25M	0.20M	0.29M	0.16M	0.22M	0.20M	0.19M	0.29M	0.25M
2008	2.59M	0.94M	0.51M	0.42M	0.45M	0.25M	0.20M	0.29M	0.17M	0.22M	0.20M	0.19M	0.33M	0.26M
2009	2.64M	0.96M	0.51M	0.42M	0.46M	0.25M	0.21M	0.30M	0.17M	0.23M	0.20M	0.19M	0.36M	0.28M
2010	2.69M	0.97M	0.51M	0.43M	0.47M	0.26M	0.21M	0.30M	0.17M	0.23M	0.21M	0.20M	0.39M	0.29M
2011	2.73M	0.98M	0.51M	0.43M	0.49M	0.26M	0.21M	0.30M	0.18M	0.24M	0.22M	0.20M	0.40M	0.31M
2012	2.77M	1.00M	0.50M	0.43M	0.50M	0.27M	0.22M	0.31M	0.19M	0.24M	0.22M	0.21M	0.42M	0.33M
2013	2.80M	1.01M	0.50M	0.43M	0.52M	0.28M	0.22M	0.31M	0.19M	0.25M	0.23M	0.21M	0.43M	0.35M
2014	2.84M	1.03M	0.50M	0.43M	0.53M	0.28M	0.23M	0.32M	0.20M	0.25M	0.24M	0.21M	0.45M	0.37M
2015	2.87M	1.04M	0.50M	0.43M	0.55M	0.29M	0.23M	0.32M	0.21M	0.26M	0.25M	0.22M	0.46M	0.38M
2016	2.92M	1.06M	0.50M	0.44M	0.56M	0.30M	0.23M	0.33M	0.21M	0.26M	0.26M	0.22M	0.47M	0.41M
2017	2.96M	1.08M	0.50M	0.44M	0.58M	0.31M	0.24M	0.33M	0.21M	0.27M	0.26M	0.23M	0.48M	0.43M
2018	3.01M	1.10M	0.50M	0.44M	0.60M	0.32M	0.24M	0.34M	0.21M	0.27M	0.27M	0.23M	0.49M	0.46M
2019	3.05M	1.12M	0.50M	0.45M	0.62M	0.32M	0.24M	0.34M	0.22M	0.28M	0.28M	0.23M	0.51M	0.48M
2020	3.09M	1.14M	0.49M	0.45M	0.63M	0.33M	0.25M	0.35M	0.22M	0.28M	0.28M	0.24M	0.52M	0.51M
2021	3.12M	1.15M	0.50M	0.46M	0.64M	0.34M	0.25M	0.35M	0.22M	0.29M	0.29M	0.24M	0.52M	0.51M
2022	3.15M	1.16M	0.50M	0.46M	0.65M	0.34M	0.25M	0.36M	0.23M	0.29M	0.29M	0.24M	0.53M	0.52M
2023	3.18M	1.17M	0.51M	0.46M	0.65M	0.34M	0.26M	0.36M	0.23M	0.29M	0.29M	0.25M	0.54M	0.53M
2024	3.22M	1.18M	0.51M	0.47M	0.66M	0.35M	0.26M	0.36M	0.24M	0.30M	0.30M	0.25M	0.54M	0.54M
2025	3.25M	1.19M	0.52M	0.47M	0.66M	0.35M	0.26M	0.37M	0.24M	0.30M	0.30M	0.26M	0.55M	0.54M
2026	3.27M	1.21M	0.52M	0.48M	0.67M	0.35M	0.26M	0.37M	0.24M	0.31M	0.30M	0.26M	0.56M	0.55M
2027	3.30M	1.23M	0.53M	0.48M	0.68M	0.35M	0.26M	0.37M	0.25M	0.31M	0.30M	0.26M	0.56M	0.55M
2028	3.33M	1.24M	0.53M	0.49M	0.68M	0.36M	0.27M	0.37M	0.25M	0.31M	0.31M	0.26M	0.57M	0.56M
2029	3.36M	1.26M	0.54M	0.49M	0.69M	0.36M	0.27M	0.37M	0.25M	0.31M	0.31M	0.26M	0.57M	0.56M
2030	3.39M	1.28M	0.54M	0.49M	0.69M	0.36M	0.27M	0.38M	0.26M	0.32M	0.31M	0.27M	0.58M	0.57M
2031	3.40M	1.29M	0.54M	0.50M	0.70M	0.36M	0.27M	0.38M	0.26M	0.32M	0.31M	0.27M	0.58M	0.58M
2032	3.42M	1.29M	0.55M	0.50M	0.70M	0.37M	0.27M	0.38M	0.26M	0.32M	0.31M	0.27M	0.59M	0.59M
2033	3.43M	1.30M	0.55M	0.51M	0.71M	0.37M	0.27M	0.38M	0.26M	0.32M	0.32M	0.28M	0.59M	0.60M
2034	3.45M	1.31M	0.55M	0.51M	0.71M	0.37M	0.28M	0.38M	0.26M	0.33M	0.32M	0.28M	0.59M	0.61M
2035	3.47M	1.31M	0.56M	0.51M	0.72M	0.37M	0.28M	0.38M	0.27M	0.33M	0.32M	0.28M	0.60M	0.62M
2036	3.48M	1.33M	0.56M	0.52M	0.72M	0.37M	0.28M	0.39M	0.27M	0.33M	0.32M	0.29M	0.60M	0.62M
2037	3.50M	1.34M	0.56M	0.52M	0.72M	0.38M	0.28M	0.39M	0.27M	0.33M	0.32M	0.29M	0.60M	0.63M
2038	3.51M	1.36M	0.56M	0.52M	0.73M	0.38M	0.28M	0.39M	0.27M	0.33M	0.33M	0.29M	0.60M	0.63M
2039	3.52M	1.37M	0.57M	0.53M	0.73M	0.38M	0.28M	0.39M	0.27M	0.34M	0.33M	0.30M	0.61M	0.64M
2040	3.54M	1.39M	0.57M	0.53M	0.73M	0.38M	0.29M	0.39M	0.28M	0.34M	0.33M	0.30M	0.61M	0.64M
2041	3.56M	1.39M	0.57M	0.53M	0.74M	0.39M	0.29M	0.39M	0.28M	0.34M	0.33M	0.30M	0.62M	0.65M
2042	3.57M	1.40M	0.57M	0.53M	0.74M	0.39M	0.29M	0.40M	0.28M	0.34M	0.33M	0.30M	0.63M	0.66M
2043	3.59M	1.41M	0.58M	0.54M	0.74M	0.39M	0.29M	0.40M	0.28M	0.34M	0.34M	0.30M	0.64M	0.66M
2044	3.60M	1.41M	0.58M	0.54M	0.75M	0.40M	0.29M	0.40M	0.28M	0.35M	0.34M	0.31M	0.65M	0.67M
2045	3.62M	1.42M	0.58M	0.54M	0.75M	0.40M	0.29M	0.40M	0.28M	0.35M	0.34M	0.31M	0.65M	0.67M
2046	3.63M	1.43M	0.58M	0.55M	0.75M	0.41M	0.30M	0.40M	0.29M	0.35M	0.34M	0.31M	0.66M	0.68M
2047	3.65M	1.43M	0.59M	0.55M	0.76M	0.41M	0.30M	0.40M	0.29M	0.35M	0.34M	0.31M	0.67M	0.69M
2048	3.66M	1.44M	0.59M	0.56M	0.76M	0.41M	0.30M	0.40M	0.29M	0.35M	0.35M	0.31M	0.68M	0.69M
2049	3.67M	1.45M	0.59M	0.56M	0.76M	0.41M	0.30M	0.41M	0.29M	0.35M	0.35M	0.31M	0.69M	0.70M
2050	3.69M	1.45M	0.59M	0.57M	0.77M	0.41M	0.30M	0.41M	0.29M	0.36M	0.35M	0.32M	0.70M	0.70M

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Frequently asked questions

What is the largest city in Algeria?

Algiers is the largest city in Algeria in the UN 2025 series, with about 3.25 million people. Oran follows at 1.19 million. These figures use the UN Degree of Urbanization definition, not municipal boundaries.

Which city is projected to be largest in Algeria in 2050?

The UN projects Algiers to rank first in 2050, with about 3.69 million people. This is a projection, not an observed population count.

Was Algiers also the largest city in 1975?

The 1975 ranking was led by Algiers, with 1.51 million people. The table preserves every city that reached the top ten in any year shown, including cities outside the top ten today.

Where does this data come from?

UN DESA, World Urbanization Prospects: The 2025 Revision (File 21), city population, millions, 1975–2050 (projected after 2025). Retrieved November 5, 2026. Cities as defined by the Degree of Urbanization (contiguous dense areas), so figures differ from city-proper or metro counts. Blank cells indicate that the source supplies no city value for that year, not zero population. You can download the full table as a CSV from this page.

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