This statistic illustrates the population of the Guangdong - Hong Kong - Macao Greater Bay Area cities in 2024. That year, the population of Guangzhou amounted to approximately ***** million people, making it the largest city by population in the region.

As of 2025, Guangzhou had the largest metropolitan population in the Asia-Pacific region, with approximately **** million inhabitants. Tokyo had the second-largest metropolitan population of around **** million inhabitants. There were a total of ** megacities with a population of over 10 million inhabitants in the Asia-Pacific region as of 2025.

Guangzhou is a city with a population of 15,273,343 and lies in the 5000 and above (Very High) density category. The city has an area of 2378.88 km² with a total green space of 34% and a tree coverage of 25%. The city lies in the Torrid Zone of the world. The city has improved its Urban green space per capita when compared to Global Average and also improved its Urban green space per capita when compared to previous year. Within Central East Asia, 38.9% of cities are ranked lower than Guangzhou.

In 2024, the population of Guangdong province in China amounted to around ***** million inhabitants, ranking first among all the provinces in China. The population density in Guangdong is also higher than in many countries in the world.

Data for: Decision-making Analysis for Green Roofs with Optimal Expected Ecosystem Services Benefits in the Central City of Guangzhou, China. We use multi-source spatial data from various websites to evaluate ecosystem services demand in the Central City of Guangzhou, China. The data includes: (1) Carbon dioxide (CO₂) emissions. Source: https://edgar.jrc.ec.europa.eu/. Accessed July 25, 2024. (2) Precipitation. Source: http://www.geodata.cn. Accessed July 19, 2024. (3) Air Quality Index (AQI). Source: http://www.cnemc.cn/. Accessed July 28, 2024. (4) Landsat 8 and 9 satellite imagery (30m resolution). Source: https://www.usgs.gov/. Accessed July 24, 2024. (5) Digital Elevation Model (DEM). Source: https://www.gscloud.cn/. Accessed July 20, 2024. (6) Land cover (30m resolution). Source: http://globeland30.org/home.html. Accessed July 19, 2024. (7) Road vector data. Source: https://ditu.amap.com/. Accessed July 12, 2024. (8) Building vector data. Source: https://lbsyun.baidu.com/products/map. Accessed January 8, 2024. (9) Population Density (100m resolution). Source: https://www.worldpop.org/. Accessed July 10, 2024. (10) POl vector data. Source: https://ditu.amap.com/. Accessed July 12, 2024.