According to the population data released by Hefei Municipal Bureau of Statistics in 2023, among the permanent residents in Hefei, the male population is 4.955 million, accounting for 51.43%; The female population is 4.679 million, accounting for 48.57%. The sex ratio of permanent residents (female 100, male/female ratio) was 105.9, an increase of 0.05 percentage points over the previous year. The resident population of Hefei is about 9.634 million, an increase of 6.5438+0.69 million or 654.38+0.79% compared with the beginning of last year. The proportion of the whole province was 15.72%, up by 0.24 percentage points over the previous year.
Among the population of Hefei, the population aged 0- 14 is15.74 million, accounting for16.34%; /kloc-the population aged 0/5-59 is 6.543 million, accounting for 67.92%; Population aged 60 and above1516,000, accounting for 15.74%, of which population aged 65 and above1227,000, accounting for 12.74%.
Topography of Hefei city
Hefei is located in the Jianghuai hilly area, starting from Shungeng Mountain in the north and facing Chaohu Basin in the south. Most areas are undulating and ridged. The overall terrain is high in the middle and low in the north and south. Jianghuai watershed runs through the central part from southwest to northeast, enters Niuwei Mountain in Feixi from Longxue Mountain in Lu 'an, extends eastward, passes through Dabanshan, Guanting, Jiaopo, Dabaidian and Jiangjun Mountain, and spreads out in the north-central part of Tushan, Badouling Wu Shan, Gaogang and Feidong County in Changfeng Mountain, and continues to extend eastward in Dingyuan County.
South of the Jianghuai watershed is the Yangtze River system, with a drainage area of 43 16 square kilometers. The terrain inclines from north to south, forming an alluvial plain along Chaohu Lake, with flat terrain, fertile land and continuous polder fields. To the north of the Jianghuai watershed is the Huaihe River system, with a drainage area of 2,950 square kilometers, and the terrain inclines from south to north. Most of them are platforms with an altitude of 30-50 meters, and there are narrow alluvial plains around Wabu Lake and Gaotang Lake.
Reference to the above content: Baidu Encyclopedia-Hefei City