{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"urban-agglomerations-more-than-1-million","source":"European Commission, Joint Research Centre (JRC) (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/urban-agglomerations-more-than-1-million","title":"Number of people living in cities with more than 1 million residents","unit":"people"},"observations":[{"date":"1950-01-01","value":2936960.0},{"date":"1955-01-01","value":3297660.0},{"date":"1960-01-01","value":3702600.0},{"date":"1965-01-01","value":4229380.0},{"date":"1970-01-01","value":4832120.0},{"date":"1975-01-01","value":5186380.0},{"date":"1980-01-01","value":6582960.0},{"date":"1985-01-01","value":6812250.0},{"date":"1990-01-01","value":6969250.0},{"date":"1995-01-01","value":7504280.0},{"date":"2000-01-01","value":7950950.0},{"date":"2005-01-01","value":8568120.0},{"date":"2010-01-01","value":9183650.0},{"date":"2015-01-01","value":9888930.0},{"date":"2020-01-01","value":10732500.0}],"summary":{"latest_period":"2020-01-01","latest_value":10732500.0,"max":10732500.0,"mean":6558530.0,"min":2936960.0,"of":182,"rank":29,"trend":"rising"}}