Starting from 1980, the central government called for 1 couple to have only one child 1 child. After that, what policy became a national policy?

Family planning hum, basic national policy. China's constitution clearly stipulates: "The state promotes family planning to adapt population growth to economic and social development plans." The Constitution also stipulates: "Both husband and wife have the obligation to carry out family planning." The Marriage Law establishes family planning as a basic principle in the general provisions. Generally speaking, family planning refers to the planned adjustment of population growth rate to adapt to the level of economic development. Since the early 1970s, the government of China has vigorously promoted family planning, and since 1978, family planning has become a basic national policy of China. 1 in the middle of 1980, the Central Committee of the Communist Party of China1put forward the instruction of "encouraging only one child". On September 25th of the same year, the Central Committee of the Communist Party of China's Open Letter to All * * * party member and * * * Communist Youth League members called on all * * * party member Communist Youth League members and cadres at all levels to take the lead in responding to the call that "a couple can only have one child". 1982, the Central Committee of the Communist Party of China issued "instructions on further improving family planning" (Zhong Fa [1982] 1 1), which defined the family planning policy, incentive policy and restriction policy. 1984 the Central Committee of the Communist Party of China approved the report of the leading group of the national family planning commission on family planning work (Zhong Fa [1984] No.7), and on the basis of "advocating one child for a couple", made some revisions to the birth policy to take care of some couples with practical difficulties to have a second child. 199 1 year, the decision on strengthening family planning and strictly controlling population growth (Zhong Fa [1991] No.9) issued by the Central Committee and the State Council made a clear and complete statement on China's birth policy, that is, "China's current family planning policy is advocated and should be encouraged in rural areas. Some people do have practical difficulties and can have a second child after several years of approval. In order to improve the economic and cultural level and national quality in ethnic minority areas, family planning should also be implemented among ethnic minorities. The specific requirements and practices are determined by the autonomous region or province. "