Urban Development in Brazil 14 indicators covering urban development for Brazil. IndicatorLatest Year10-yr change Rank Population in the largest city 12.3% 2025 up 1.4% 139th Population density 25.26 people per sq. km of land area 2023 up 6.4% 181st PM2.5 air pollution, mean annual exposure 13.38 micrograms per cubic meter 2023 up 1.4% 133rd Population in urban agglomerations of more than 1 million 94.31 million 2025 up 12.0% 4th Population in urban agglomerations of more than 1 million, per capita 0.4432 units per person 2025 up 6.2% 18th Population in urban agglomerations of more than 1 million, annual 0.8742 % change on previous year 2025 down 39.2% 86th Population in urban agglomerations of more than 1 million, per unit 0 units per US$ of GDP 2025 down 11.4% 52nd Population in urban agglomerations of more than 1 million, per square 11.08 units per square kilometre 2023 up 13.2% 77th Population in largest city 22.99 million 2025 up 10.1% 6th Crude steelmaking capacity 50.9 Tonnes 2025 down 4.5% 7th Africa's Development Dynamics (AfDD) Table 23 - Ecological 2,036 Hectares 2020 up 19.0% 6th PM2.5 air pollution, population exposed to levels exceeding WHO 68.1% 2017 down 24.1% 171st Dollar value of all resources made available to strengthen 3.49 million 2023 up 264.3% 58th Adjusted rural to urban parity index for achieving a minimum 0.3109 2018 down 34.1% 39th