{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"births-per-month-annual","source":"Human Mortality Database (2025) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/births-per-month-annual","title":"Birth seasonality","unit":"births per million people"},"observations":[{"date":"1933-01-01","value":44.0968},{"date":"1934-01-01","value":45.2618},{"date":"1935-01-01","value":43.4307},{"date":"1936-01-01","value":42.6018},{"date":"1937-01-01","value":45.0281},{"date":"1938-01-01","value":45.1823},{"date":"1939-01-01","value":44.1835},{"date":"1940-01-01","value":46.7834},{"date":"1941-01-01","value":50.5663},{"date":"1942-01-01","value":60.2257},{"date":"1943-01-01","value":55.18},{"date":"1944-01-01","value":56.8062},{"date":"1945-01-01","value":52.6771},{"date":"1946-01-01","value":77.3116},{"date":"1947-01-01","value":64.4935},{"date":"1948-01-01","value":64.886},{"date":"1949-01-01","value":63.1427},{"date":"1950-01-01","value":63.903},{"date":"1951-01-01","value":65.2234},{"date":"1952-01-01","value":66.5231},{"date":"1953-01-01","value":68.7153},{"date":"1954-01-01","value":67.799},{"date":"1955-01-01","value":67.2773},{"date":"1956-01-01","value":67.955},{"date":"1957-01-01","value":66.8426},{"date":"1958-01-01","value":65.8189},{"date":"1959-01-01","value":64.7517},{"date":"1960-01-01","value":65.0588},{"date":"1961-01-01","value":62.0635},{"date":"1962-01-01","value":60.3502},{"date":"1963-01-01","value":57.8327},{"date":"1964-01-01","value":55.5469},{"date":"1965-01-01","value":51.1372},{"date":"1966-01-01","value":49.6621},{"date":"1967-01-01","value":47.5463},{"date":"1968-01-01","value":49.0908},{"date":"1969-01-01","value":50.1021},{"date":"1970-01-01","value":51.7402},{"date":"1971-01-01","value":44.3723},{"date":"1972-01-01","value":42.4369},{"date":"1973-01-01","value":39.6274},{"date":"1974-01-01","value":40.0583},{"date":"1975-01-01","value":39.6534},{"date":"1976-01-01","value":40.5258},{"date":"1977-01-01","value":39.8724},{"date":"1978-01-01","value":41.2082},{"date":"1979-01-01","value":41.6865},{"date":"1980-01-01","value":42.8682},{"date":"1981-01-01","value":42.5646},{"date":"1982-01-01","value":41.654},{"date":"1983-01-01","value":41.1289},{"date":"1984-01-01","value":41.1602},{"date":"1985-01-01","value":41.9913},{"date":"1986-01-01","value":41.8726},{"date":"1987-01-01","value":42.4962},{"date":"1988-01-01","value":42.322},{"date":"1989-01-01","value":43.6987},{"date":"1990-01-01","value":43.2796},{"date":"1991-01-01","value":43.28},{"date":"1992-01-01","value":42.2617},{"date":"1993-01-01","value":40.9199},{"date":"1994-01-01","value":39.8903},{"date":"1995-01-01","value":38.0084},{"date":"1996-01-01","value":38.4627},{"date":"1997-01-01","value":38.8235},{"date":"1998-01-01","value":38.9098},{"date":"1999-01-01","value":38.4082},{"date":"2000-01-01","value":38.4077},{"date":"2001-01-01","value":36.8796},{"date":"2002-01-01","value":37.4115},{"date":"2003-01-01","value":38.1147},{"date":"2004-01-01","value":38.0363},{"date":"2005-01-01","value":37.9201},{"date":"2006-01-01","value":38.4077},{"date":"2007-01-01","value":37.8755},{"date":"2008-01-01","value":37.4609},{"date":"2009-01-01","value":35.7901},{"date":"2010-01-01","value":35.2994},{"date":"2011-01-01","value":33.8401},{"date":"2012-01-01","value":33.2841},{"date":"2013-01-01","value":34.2041},{"date":"2014-01-01","value":34.4599},{"date":"2015-01-01","value":33.7194},{"date":"2016-01-01","value":32.3914},{"date":"2017-01-01","value":31.3255},{"date":"2018-01-01","value":30.6601},{"date":"2019-01-01","value":30.2254},{"date":"2020-01-01","value":28.1906},{"date":"2021-01-01","value":30.1351},{"date":"2022-01-01","value":30.2929},{"date":"2023-01-01","value":28.4269}],"summary":{"latest_period":"2023-01-01","latest_value":28.4269,"max":77.3116,"mean":45.967,"min":28.1906,"of":40,"rank":8,"trend":"falling"}}