Singapore

Singapore boasts the world’s most efficient public housing system, with 78% of its 5.7 million residents living in HDB flats that cost 30% less than private condos. Its Gardens by the Bay spans 101 hectares, featuring solar-powered supertrees that save 30% more energy than typical urban parks. The city is 40% greener than the average Asian capital, with 300 km of park connectors. The efficient MRT system covers 230 km of track, moving 3.4 million riders daily with 99% on-time performance.