Characteristic of population enrolled in the urban basic medical insurance database in 22 provinces in urban China during 2013–2016
| Characteristic | Total | UEBMI | URBMI |
| No (million) | 496.01 | 226.16 | 269.85 |
| Age, years | |||
| Mean (SD) | 37.78 (19.75) | 41.84 (15.78) | 34.37 (21.97) |
| Age group, n (million, %) | |||
| 0–9 | 33.50 (6.75) | –* | 33.50 (12.42) |
| 10–19 | 50.94 (10.27) | 2.01 (0.89)* | 48.92 (18.13) |
| 20–29 | 115.71 (23.33) | 60.80 (26.88) | 54.91 (20.35) |
| 30–39 | 79.17 (15.96) | 53.03 (23.45) | 26.14 (9.69) |
| 40–49 | 79.96 (16.12) | 45.56 (20.14) | 34.40 (12.75) |
| 50–59 | 59.70 (12.04) | 30.97 (13.69) | 28.73 (10.65) |
| 60–69 | 41.98 (8.46) | 18.77 (8.30) | 23.20 (8.60) |
| 70–79 | 21.66 (4.37) | 9.52 (4.21) | 12.13 (4.50) |
| ≥80 | 13.41 (2.70) | 5.50 (2.43) | 7.91 (2.93) |
| Sex, n (million, %) | |||
| Male | 260.25 (52.47) | 126.12 (55.77) | 134.12 (49.70) |
| Female | 235.77 (47.53) | 100.04 (44.23) | 135.72 (50.30) |
| Region,† n (million, %) | |||
| East | 183.77 (37.05) | 75.27 (33.28) | 108.49 (40.21) |
| North | 21.60 (4.35) | 9.08 (4.01) | 12.52 (4.64) |
| North-East | 49.97 (10.08) | 27.98 (12.37) | 21.99 (8.15) |
| North-West | 24.15 (4.87) | 10.90 (4.82) | 13.25 (4.91) |
| South-Central | 155.26 (31.30) | 85.40 (37.76) | 69.85 (25.89) |
| South-West | 61.27 (12.35) | 17.53 (7.75) | 43.74 (16.21) |
*UEBMI database covers urban working and retired employees (aged ≥18 years old).
†East area included Jiangsu, Zhejiang, Anhui and Shandong provinces; North area included Shanxi and Inner Mongolia provinces; North-East area included Liaoning, Jilin and Heilongjiang provinces; North-West area included Shaanxi, Gansu, Qinghai and Xinjiang provinces; South-Central area included Henan, Hubei, Hunan, Guangdong, Guangxi and Hainan provinces; South-West area included Chongqing, Guizhou and Yunnan provinces.
UEBMI, Urban Employee Basic Medical Insurance; URBMI, Urban Residence Basic Medical Insurance.; .