3-1   年末人口数及构成
Population and its Composition at the Year-end
				占总人口的比重(%)
年  份	年底人口数（人）			Percentage to Total Population(%)		性别比(女=100)
		男	女	男	女
Year	Total Population   (Year-end)   (person)	Male	Female	Male	Female	Sex Ratio   (Female=100)
1952	273279	206666	66613	75.6	24.4	310.2
1954	175451	132684	42767	75.6	24.4	310.2
1957	311470	231874	79596	74.4	25.6	291.3
1962	862124	537138	324986	62.3	37.7	165.3
1965	1293151	741413	551738	57.3	42.7	134.4
1970	1943157	1045486	897671	53.8	46.2	116.5
1975	1771097	921502	849595	52.0	48.0	108.5
1980	2200755	1127050	1073705	51.2	48.8	105.0
1985	2222350	1142630	1079720	51.4	48.6	105.8
1990	2143528	1110475	1033053	51.8	48.2	107.5
1995	2287896	1194166	1093730	52.2	47.8	109.2
2000	2427920	1272719	1155201	52.4	47.6	110.2
2001	2453575	1289954	1163621	52.6	47.4	110.9
2002	2501189	1311750	1189439	52.4	47.6	110.3
2003	2542170	1330666	1211504	52.3	47.7	109.8
2004	2563837	1341213	1222624	52.3	47.7	109.7
2005	2569756	1346901	1222855	52.4	47.6	110.1