Urban Development in Tunisia 13 indicators covering urban development for Tunisia. IndicatorLatest Year10-yr change Rank Population in the largest city 29.2% 2025 up 3.4% 79th Population density 78.53 people per sq. km of land area 2023 up 9.5% 125th PM2.5 air pollution, mean annual exposure 18.87 micrograms per cubic meter 2023 up 8.8% 92nd Population in urban agglomerations of more than 1 million 2.55 million 2025 up 16.6% 77th Population in urban agglomerations of more than 1 million, per capita 0.2061 units per person 2025 up 7.7% 65th Population in urban agglomerations of more than 1 million, annual 1.37 % change on previous year 2025 down 15.6% 64th Population in urban agglomerations of more than 1 million, per unit 0 units per US$ of GDP 2025 down 7.2% 50th Population in urban agglomerations of more than 1 million, per square 15.93 units per square kilometre 2023 up 17.1% 66th Population in largest city 2.55 million 2025 up 16.6% 73rd Crude steelmaking capacity 0.2 Tonnes 2025 unchanged 84th Africa's Development Dynamics (AfDD) Table 23 - Ecological 96.38 Hectares 2020 up 23.3% 62nd PM2.5 air pollution, population exposed to levels exceeding WHO 100.0% 2017 unchanged 1st Dollar value of all resources made available to strengthen 1.47 million 2023 down 1.9% 81st