{"entity":{"iso2":null,"iso3":null,"name":"Boulder","slug":"boulder"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"population-and-built-up-density-cities-and-fuas-urbanised-area","source":"Organisation for Economic Co-operation and Development","source_url":"https://data-explorer.oecd.org/vis?df[ds]=dsDisseminateFinalDMZ&df[id]=DSD_FUA_TERR@DF_DENSITY","title":"Population and built-up density - Cities and FUAs \u2014 Urbanised area","unit":"Square kilometres"},"observations":[{"date":"1975-01-01","value":26.0},{"date":"1980-01-01","value":28.0},{"date":"1985-01-01","value":30.0},{"date":"1990-01-01","value":31.0},{"date":"1995-01-01","value":36.0},{"date":"2000-01-01","value":41.0},{"date":"2005-01-01","value":43.0},{"date":"2010-01-01","value":46.0},{"date":"2015-01-01","value":49.0},{"date":"2020-01-01","value":52.0},{"date":"2025-01-01","value":53.0},{"date":"2030-01-01","value":54.0}],"summary":{"latest_period":"2030-01-01","latest_value":54.0,"max":54.0,"mean":40.75,"min":26.0,"of":1372,"rank":236,"trend":"rising"}}