表4−15 出生順位別出生数および割合:1950〜2022年 | ||||||||
年次 | 総 数 | 第1子 | 第2子 | 第3子 | 第4子 | 第5子〜 | ||
実 数 | ||||||||
1950 | 2,337,507 | 634,324 | 654,572 | 384,455 | 247,790 | 415,163 | ||
1955 | 1,730,692 | 573,592 | 455,512 | 330,192 | 193,906 | 177,479 | ||
1960 | 1,606,041 | 714,827 | 522,867 | 221,595 | 79,718 | 67,017 | ||
1965 | 1,823,697 | 866,485 | 685,027 | 203,913 | 44,523 | 23,700 | ||
1970 | 1,934,239 | 878,979 | 753,834 | 245,824 | 40,207 | 15,395 | ||
1975 | 1,901,440 | 862,356 | 767,669 | 224,576 | 33,994 | 12,845 | ||
1980 | 1,576,889 | 667,683 | 642,573 | 227,604 | 29,901 | 9,128 | ||
1985 | 1,431,577 | 602,005 | 562,920 | 225,304 | 32,597 | 8,751 | ||
1990 | 1,221,585 | 531,648 | 459,569 | 192,788 | 30,453 | 7,127 | ||
1995 | 1,187,064 | 567,530 | 428,394 | 156,586 | 27,556 | 6,998 | ||
2000 | 1,190,547 | 583,220 | 434,964 | 141,011 | 24,644 | 6,708 | ||
2005 | 1,062,530 | 512,412 | 399,307 | 122,501 | 21,841 | 6,469 | ||
2010 | 1,071,305 | 509,736 | 390,213 | 136,302 | 26,885 | 8,169 | ||
2015 | 1,005,721 | 478,101 | 363,244 | 129,708 | 26,271 | 8,397 | ||
2016 | 977,242 | 459,873 | 355,876 | 126,570 | 26,427 | 8,496 | ||
2017 | 946,146 | 439,295 | 348,859 | 123,050 | 26,230 | 8,712 | ||
2018 | 918,400 | 426,407 | 338,094 | 119,732 | 25,546 | 8,621 | ||
2019 | 865,239 | 400,952 | 315,713 | 114,630 | 25,106 | 8,838 | ||
2020 | 840,835 | 392,538 | 304,028 | 110,818 | 24,788 | 8,663 | ||
2021 | 811,622 | 372,434 | 294,444 | 109,953 | 25,549 | 9,242 | ||
2022 | 770,759 | 355,523 | 281,418 | 101,233 | 23,677 | 8,908 | ||
割 合(%) | ||||||||
1950 | 100.0 | 27.1 | 28.0 | 16.4 | 10.6 | 17.8 | ||
1960 | 100.0 | 44.5 | 32.6 | 13.8 | 5.0 | 4.2 | ||
1970 | 100.0 | 45.4 | 39.0 | 12.7 | 2.1 | 0.8 | ||
1980 | 100.0 | 42.3 | 40.7 | 14.4 | 1.9 | 0.6 | ||
1990 | 100.0 | 43.5 | 37.6 | 15.8 | 2.5 | 0.6 | ||
2000 | 100.0 | 49.0 | 36.5 | 11.8 | 2.1 | 0.6 | ||
2005 | 100.0 | 48.2 | 37.6 | 11.5 | 2.1 | 0.6 | ||
2010 | 100.0 | 47.6 | 36.4 | 12.7 | 2.5 | 0.8 | ||
2015 | 100.0 | 47.5 | 36.1 | 12.9 | 2.6 | 0.8 | ||
2020 | 100.0 | 46.7 | 36.2 | 13.2 | 2.9 | 1.0 | ||
2021 | 100.0 | 45.9 | 36.3 | 13.5 | 3.1 | 1.1 | ||
2022 | 100.0 | 46.1 | 36.5 | 13.1 | 3.1 | 1.2 | ||
厚生労働省政策統括官(統計・情報システム管理、労使関係担当)『人口動態統計』による。1970年以前は沖縄県を含まない。出生順位とは,同じ母親がこれまでに生んだ出生子の総数について数えた順序。総数は出生順位不詳を含む。 | ||||||||