Table 1 Sample distribution by region and province in 2020.

From: Population ageing and income inequality in rural China: an 18-year analysis

Region

Province

East China (25.36%)

Shandong (4.42%), Jiangsu (3.61%), Anhui (5.82%), Shanghai (1.00%), Jiangxi (4.21%), Zhejiang (2.23%), Fujian (4.07%)

Middle China (10.81%)

Henan (4.39%), Hunan (2.43%), Hubei (3.99%)

South China (9.42%)

Guangdong (5.18%), Guangxi (3.12%), Hainan (1.12%)

North China (14.28%)

Beijing (0.45%), Tianjin (1.23%), Hebei (4.77%), Shanxi (6.63%), Inner Mongolia (1.21%)

Northeast (13.67%)

Heilongjiang (3.96%), Jilin (4.41%), Liaoning (5.29%)

Northwest (11.83%)

Shaanxi (4.37%), Gansu (2.01%), Ningxia (1.47%), Qinghai (1.12%), Xinjiang (2.87%)

Southwest (14.63%)

Sichuan (4.91%), Guizhou (3.57%), Yunnan (3.32%), Chongqing (2.42%), Tibet (0.40%)