{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"population-ages-15-64-total-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Population ages 15-64, total, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1961-01-01","value":47.7954},{"date":"1962-01-01","value":48.3411},{"date":"1963-01-01","value":48.8904},{"date":"1964-01-01","value":49.4854},{"date":"1965-01-01","value":50.0092},{"date":"1966-01-01","value":50.433},{"date":"1967-01-01","value":50.8442},{"date":"1968-01-01","value":51.2385},{"date":"1969-01-01","value":51.579},{"date":"1970-01-01","value":51.8549},{"date":"1971-01-01","value":52.0858},{"date":"1972-01-01","value":52.2735},{"date":"1973-01-01","value":52.4599},{"date":"1974-01-01","value":52.6579},{"date":"1975-01-01","value":52.709},{"date":"1976-01-01","value":52.7584},{"date":"1977-01-01","value":52.8623},{"date":"1978-01-01","value":52.8791},{"date":"1979-01-01","value":52.87},{"date":"1980-01-01","value":52.8775},{"date":"1981-01-01","value":53.0911},{"date":"1982-01-01","value":53.5153},{"date":"1983-01-01","value":53.9825},{"date":"1984-01-01","value":54.3169},{"date":"1985-01-01","value":54.2855},{"date":"1986-01-01","value":54.1446},{"date":"1987-01-01","value":54.0884},{"date":"1988-01-01","value":54.0471},{"date":"1989-01-01","value":53.3839},{"date":"1990-01-01","value":52.4156},{"date":"1991-01-01","value":51.9169},{"date":"1992-01-01","value":51.4326},{"date":"1993-01-01","value":51.1031},{"date":"1994-01-01","value":51.0268},{"date":"1995-01-01","value":50.9113},{"date":"1996-01-01","value":50.7696},{"date":"1997-01-01","value":50.5983},{"date":"1998-01-01","value":50.3876},{"date":"1999-01-01","value":50.1882},{"date":"2000-01-01","value":50.0286},{"date":"2001-01-01","value":49.2086},{"date":"2002-01-01","value":49.1536},{"date":"2003-01-01","value":48.9799},{"date":"2004-01-01","value":48.8099},{"date":"2005-01-01","value":48.6391},{"date":"2006-01-01","value":48.3435},{"date":"2007-01-01","value":47.986},{"date":"2008-01-01","value":47.5642},{"date":"2009-01-01","value":47.1263},{"date":"2010-01-01","value":46.5943},{"date":"2011-01-01","value":46.0052},{"date":"2012-01-01","value":45.4207},{"date":"2013-01-01","value":44.1732},{"date":"2014-01-01","value":43.2778},{"date":"2015-01-01","value":42.3859},{"date":"2016-01-01","value":41.5319},{"date":"2017-01-01","value":40.7097},{"date":"2018-01-01","value":39.8889},{"date":"2019-01-01","value":39.0894},{"date":"2020-01-01","value":38.5472},{"date":"2021-01-01","value":38.2511},{"date":"2022-01-01","value":37.9732},{"date":"2023-01-01","value":37.7849}],"summary":{"latest_period":"2023-01-01","latest_value":37.7849,"max":54.3169,"mean":49.0473,"min":37.7849,"of":215,"rank":142,"trend":"falling"}}