{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-rate-of-change-in-urban-populations","source":"European Commission, Joint Research Centre (JRC) (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/annual-rate-of-change-in-urban-populations","title":"Annual growth rate of population share in cities with at least 300,000 inhabitants","unit":"%"},"observations":[{"date":"1955-01-01","value":4.2696},{"date":"1960-01-01","value":1.29265},{"date":"1965-01-01","value":-0.257513},{"date":"1970-01-01","value":0.114594},{"date":"1975-01-01","value":1.40658},{"date":"1980-01-01","value":1.30236},{"date":"1985-01-01","value":0.272176},{"date":"1990-01-01","value":0.522865},{"date":"1995-01-01","value":-0.328813},{"date":"2000-01-01","value":-0.326823},{"date":"2005-01-01","value":-1.38638},{"date":"2010-01-01","value":-0.330666},{"date":"2015-01-01","value":-0.281501},{"date":"2020-01-01","value":-2.03211}],"summary":{"latest_period":"2020-01-01","latest_value":-2.03211,"max":4.2696,"mean":0.302644,"min":-2.03211,"of":144,"rank":140,"trend":"volatile"}}