{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"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":"1985-01-01","value":42.7816},{"date":"1986-01-01","value":40.8778},{"date":"1987-01-01","value":40.4153},{"date":"1988-01-01","value":37.8256},{"date":"1989-01-01","value":37.8946},{"date":"1990-01-01","value":36.1333},{"date":"1991-01-01","value":34.2441},{"date":"1992-01-01","value":32.7948},{"date":"1993-01-01","value":31.4478},{"date":"1994-01-01","value":28.8608},{"date":"1995-01-01","value":27.1212},{"date":"1996-01-01","value":26.7257},{"date":"1997-01-01","value":26.0255},{"date":"1998-01-01","value":24.5215},{"date":"1999-01-01","value":25.3731},{"date":"2000-01-01","value":23.2863},{"date":"2001-01-01","value":22.4918},{"date":"2002-01-01","value":22.2987},{"date":"2003-01-01","value":21.7457},{"date":"2004-01-01","value":22.7126},{"date":"2005-01-01","value":22.3915},{"date":"2006-01-01","value":23.4182},{"date":"2007-01-01","value":25.2555},{"date":"2008-01-01","value":26.9372},{"date":"2009-01-01","value":26.5498},{"date":"2010-01-01","value":26.2255},{"date":"2011-01-01","value":24.271},{"date":"2012-01-01","value":24.183},{"date":"2013-01-01","value":24.0458},{"date":"2014-01-01","value":23.7394},{"date":"2015-01-01","value":24.0916},{"date":"2016-01-01","value":25.7481},{"date":"2017-01-01","value":25.0167},{"date":"2018-01-01","value":24.9748},{"date":"2019-01-01","value":24.7368},{"date":"2020-01-01","value":21.157},{"date":"2021-01-01","value":21.9393},{"date":"2022-01-01","value":19.6111},{"date":"2023-01-01","value":17.1935}],"summary":{"latest_period":"2023-01-01","latest_value":17.1935,"max":42.7816,"mean":27.1042,"min":17.1935,"of":40,"rank":35,"trend":"falling"}}