5-7 STATISTICS ON BIRTH CONTROL BY REGION (2009)
| Item | Whole Municipality | Urban Area | Liyang City | Jintan City
| Family Planning Rate (%) | 98.9 | 99.4 | 98.0 | 98.0
| Only-child Rate (%) | 81.7 | 79.7 | 78.9 | 88.1
| Number of Woman of Child-bearing Age (10000 persons) | 99.9 | 62.7 | 21.7 | 15.5
| Number of Married Woman of Child-bearing Age | 78.6 | 49.0 | 17.0 | 12.6
| Number of Only-child Certificare Obtained (10000 persons) | 31.3 | 20.9 | 6.0 | 4.4
| Deferred Marriage Rate (%) | 65.0 | 77.7 | 52.5 | 55.9
| Number of Woman Owns One-child in Family (10000 persons) | 64.2 | 39.7 | 13.4 | 11.1