Urban Development in Algeria 13 indicators covering urban development for Algeria. IndicatorLatest Year10-yr change Rank Population in the largest city 8.4% 2025 down 9.5% 146th Population density 19.38 people per sq. km of land area 2023 up 20.2% 187th PM2.5 air pollution, mean annual exposure 16.54 micrograms per cubic meter 2023 up 8.7% 106th Population in urban agglomerations of more than 1 million 3.00 million 2025 up 15.9% 74th Population in urban agglomerations of more than 1 million, per capita 0.0633 units per person 2025 down 2.2% 116th Population in urban agglomerations of more than 1 million, annual 1.76 % change on previous year 2025 up 37.1% 51st Population in urban agglomerations of more than 1 million, per unit 0 units per US$ of GDP 2025 down 24.3% 95th Population in urban agglomerations of more than 1 million, per square 1.22 units per square kilometre 2023 up 14.8% 117th Population in largest city 3.00 million 2025 up 15.9% 68th Crude steelmaking capacity 9.5 Tonnes 2025 up 111.1% 20th Africa's Development Dynamics (AfDD) Table 23 - Ecological 227.12 Hectares 2020 up 42.9% 36th PM2.5 air pollution, population exposed to levels exceeding WHO 100.0% 2017 unchanged 1st Dollar value of all resources made available to strengthen 38,542 2023 down 96.5% 140th