表４−１ 性別出生数および出生性比：1873〜2019年
年次		総  数	男	女	出生1)	年次		総  数	男	女	出生1)
					性比						性比
1873		809,487	414,429	395,058	104.9	1982		1,515,392	777,855	737,537	105.5
1880		883,584	452,327	431,257	104.9	1983		1,508,687	775,206	733,481	105.7
1890		1,145,374	586,121	559,253	104.8	1984		1,489,780	764,597	725,183	105.4
1900		1,420,534	727,916	692,618	105.1	1985		1,431,577	735,284	696,293	105.6
1910		1,712,857	872,779	840,078	103.9	1986		1,382,946	711,301	671,645	105.9
1920		2,025,564	1,035,134	990,430	104.5	1987		1,346,658	692,304	654,354	105.8
1930		2,085,101	1,069,551	1,015,549	105.3	1988		1,314,006	674,883	639,123	105.6
1940		2,115,867	1,084,282	1,031,585	105.1	1989		1,246,802	640,506	606,296	105.6
1947		2,678,792	1,376,986	1,301,806	105.8	1990		1,221,585	626,971	594,614	105.4
1948		2,681,624	1,378,564	1,303,060	105.8	1991		1,223,245	628,615	594,630	105.7
1949		2,696,638	1,380,008	1,316,630	104.8	1992		1,208,989	622,136	586,853	106.0
1950		2,337,507	1,203,111	1,134,396	106.1	1993		1,188,282	610,244	578,038	105.6
1955		1,730,692	889,670	841,022	105.8	1994		1,238,328	635,915	602,413	105.6
1956		1,665,278	856,084	809,194	105.8	1995		1,187,064	608,547	578,517	105.2
1957		1,566,713	805,220	761,493	105.7	1996		1,206,555	619,793	586,762	105.6
1958		1,653,469	848,733	804,736	105.5	1997		1,191,665	610,905	580,760	105.2
1959		1,626,088	835,822	790,266	105.8	1998		1,203,147	617,414	585,733	105.4
1960		1,606,041	824,761	781,280	105.6	1999		1,177,669	604,769	572,900	105.6
1961		1,589,372	817,599	771,773	105.9	2000		1,190,547	612,148	578,399	105.8
1962		1,618,616	833,269	785,347	106.1	2001		1,170,662	600,918	569,744	105.5
1963		1,659,521	852,561	806,960	105.7	2002		1,153,855	592,840	561,015	105.7
1964		1,716,761	882,924	833,837	105.9	2003		1,123,610	576,736	546,874	105.5
1965		1,823,697	935,366	888,331	105.3	2004		1,110,721	569,559	541,162	105.2
1966		1,360,974	705,463	655,511	107.6	2005		1,062,530	545,032	517,498	105.3
1967		1,935,647	992,778	942,869	105.3	2006		1,092,674	560,439	532,235	105.3
1968		1,871,839	967,996	903,843	107.1	2007		1,089,818	559,847	529,971	105.6
1969		1,889,815	977,687	912,128	107.2	2008		1,091,156	559,513	531,643	105.2
1970		1,934,239	1,000,403	933,836	107.1	2009	2)	1,070,036	548,994	521,042	105.4
1971		2,000,973	1,032,937	968,036	106.7	2010	2)	1,071,305	550,743	520,562	105.8
1972		2,038,682	1,051,389	987,293	106.5	2011	2)	1,050,807	538,271	512,536	105.0
1973		2,091,983	1,077,517	1,014,466	106.2	2012	2)	1,037,232	531,781	505,451	105.2
1974		2,029,989	1,046,538	983,451	106.4	2013	2)	1,029,817	527,657	502,160	105.1
1975		1,901,440	979,091	922,349	106.2	2014	2)	1,003,609	515,572	488,037	105.6
1976		1,832,617	943,829	888,788	106.2	2015	2)	1,005,721	515,468	490,253	105.1
1977		1,755,100	903,380	851,720	106.1	2016	2)	977,242	502,012	475,230	105.6
1978		1,708,643	879,149	829,494	106.0	2017	2)	946,146	484,478	461,668	104.9
1979		1,642,580	845,884	796,696	106.2	2018		918,400	470,851	447,549	105.2
1980		1,576,889	811,418	765,471	106.0	2019		865,239	443,430	421,809	105.1
1981		1,529,455	786,596	742,859	105.9
内閣府ナイカクフ統計局トウケイキョク『帝国テイコク統計トウケイ年鑑ネンカン』(1873〜1890年ネン)、厚生労働省政策統括官（統計・情報政策担当）『人口動態統計』(1900年以後)による。
1947〜72年は沖縄県を含まない。1)女100に対する男の数。2)報告漏れを含む改訂値。