{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"reduction-in-income-inequality","source":"OECD (2026) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/reduction-in-income-inequality","title":"Reduction in income inequality before and after tax","unit":"%"},"observations":[{"date":"2005-01-01","value":37.3163},{"date":"2006-01-01","value":36.8234},{"date":"2007-01-01","value":34.9735},{"date":"2008-01-01","value":34.5662},{"date":"2009-01-01","value":34.7227},{"date":"2010-01-01","value":34.5615},{"date":"2011-01-01","value":34.7087},{"date":"2012-01-01","value":35.5071},{"date":"2013-01-01","value":35.2033},{"date":"2014-01-01","value":35.7486},{"date":"2015-01-01","value":35.5306},{"date":"2016-01-01","value":37.7737},{"date":"2017-01-01","value":38.6158},{"date":"2018-01-01","value":37.8305},{"date":"2019-01-01","value":38.6641},{"date":"2020-01-01","value":38.8294},{"date":"2021-01-01","value":38.8109},{"date":"2022-01-01","value":38.7431},{"date":"2023-01-01","value":41.888}],"summary":{"latest_period":"2023-01-01","latest_value":41.888,"max":41.888,"mean":36.8851,"min":34.5615,"of":39,"rank":6,"trend":"rising"}}