Transit within reach

53.2% 2020: 53.2% of urban residents 2020 61.5% 2025: 61.5% of urban residents 2025 Urban residents with convenient access to public transport, 412 cities, 127 countries

Source: UN SDG 11 Report 2026

Informal settlements keep growing

895m 2000: 895 million people 2000 1.13bn 2024: 1.13 billion people 2024 People living in informal settlements - nearly 1 in 4 urban residents

Source: World Cities Report 2026

Urban air, five times over the line

26 Global urban average, 2023: 26 micrograms per cubic metre Cities 2023 5 WHO guideline: 5 micrograms per cubic metre WHO limit Average urban PM2.5, micrograms per m³ - progress flat since 2020

Source: UN SDG 11 Report 2026