| Age group (years) | Tuoketuo |
| Shangdu | ||||||||
| Survey area |
| Sample |
| Survey area |
| Sample | |||||
| n = 1976 | % |
| n = 55,050 | % |
| n = 1975 | % |
| n | % | |
| 50 - 54 | 296 | 15.0% |
| 14,294 | 26.0% |
| 336 | 17.0% |
| 13,782 | 23.4% |
| 55 - 59 | 450 | 22.8% |
| 9934 | 18.0% |
| 447 | 22.6% |
| 15,327 | 26.0% |
| 60 - 64 | 345 | 17.5% |
| 9541 | 17.3% |
| 392 | 19.8% |
| 8997 | 15.3% |
| 65 - 69 | 238 | 12.0% |
| 8518 | 15.5% |
| 268 | 13.6% |
| 5765 | 9.8% |
| 70 - 74 | 261 | 13.2% |
| 6427 | 11.7% |
| 279 | 14.1% |
| 5779 | 9.8% |
| 75 - 79 | 261 | 13.2% |
| 3891 | 7.1% |
| 173 | 8.8% |
| 5470 | 9.3% |
| 80 - 99 | 125 | 6.3% |
| 2445 | 4.4% |
| 80 | 4.1% |
| 3772 | 6.4% |