Urban Development in Niger 12 indicators covering urban development for Niger. IndicatorLatest Year10-yr change Rank Population in the largest city 30.4% 2025 down 10.8% 75th Population density 20.65 people per sq. km of land area 2023 up 41.3% 183rd PM2.5 air pollution, mean annual exposure 65.23 micrograms per cubic meter 2023 up 14.3% 5th Population in urban agglomerations of more than 1 million 1.56 million 2025 up 40.8% 104th Population in urban agglomerations of more than 1 million, per capita 0.0559 units per person 2025 up 0.6% 119th Population in urban agglomerations of more than 1 million, annual 4.36 % change on previous year 2025 up 42.6% 11th Population in urban agglomerations of more than 1 million, per unit 0.0001 units per US$ of GDP 2025 down 37.0% 34th Population in urban agglomerations of more than 1 million, per square 1.13 units per square kilometre 2023 up 37.6% 119th Population in largest city 1.56 million 2025 up 40.8% 103rd Africa's Development Dynamics (AfDD) Table 23 - Ecological 19.05 Hectares 2020 up 103.2% 123rd PM2.5 air pollution, population exposed to levels exceeding WHO 100.0% 2017 unchanged 1st Dollar value of all resources made available to strengthen 7.97 million 2023 up 24.6% 35th