Table 2.
Characteristics of the 400 sample counties in Eastern, Central and Western China in 2010.
| Items | Kinds | Eastern China | Central China | Western China | Total |
|---|---|---|---|---|---|
| Sample areas | Provinces | 11 | 8 | 12 | 31 |
| Sample counties (n) | 79 | 150 | 171 | 400 | |
| Population | Total population | 52570 | 74970 | 52360 | 179900 |
| The rural population (thousand) | 40690 | 61260 | 42000 | 143950 | |
| The non-rural population (thousand) | 11880 | 13710 | 10360 | 35950 | |
| Terrain | Plain (%) | 41.77 | 37.33 | 13.45 | 28.00 |
| Hill (%) | 24.05 | 28.00 | 18.13 | 23.00 | |
| Mountainous area (%) | 30.38 | 32.67 | 46.78 | 38.25 | |
| Plateau (%) | 0.00 | 0.00 | 16.96 | 16.96 | |
| Others (%) | 3.80 | 2.00 | 4.68 | 8.19 | |
| Cover area | Cover area（km2） | 151389 | 355814 | 1813816 | 2321019 |
| Economy | Median area output value per capita (RMB) | 23860 | 13122 | 10252 | 13274 |
| Per capita net income of the agricultural population (RMB) | 7050 | 4496 | 3585 | 4578 |