{"entity":{"iso2":"ZM","iso3":"ZMB","name":"Zambia","slug":"zambia"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"inequality-metrics-before-tax-wid","source":"World Inequality Database (WID.world) (2026) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/inequality-metrics-before-tax-wid","title":"Three metrics of inequality","unit":null},"observations":[{"date":"1929-01-01","value":63.1},{"date":"1930-01-01","value":64.02},{"date":"1931-01-01","value":64.13},{"date":"1932-01-01","value":64.08},{"date":"1933-01-01","value":63.28},{"date":"1934-01-01","value":63.63},{"date":"1935-01-01","value":64.06},{"date":"1936-01-01","value":63.45},{"date":"1937-01-01","value":63.64},{"date":"1943-01-01","value":65.16},{"date":"1944-01-01","value":65.15},{"date":"1945-01-01","value":64.82},{"date":"1946-01-01","value":65.66},{"date":"1947-01-01","value":65.37},{"date":"1948-01-01","value":65.03},{"date":"1949-01-01","value":64.99},{"date":"1950-01-01","value":64.78},{"date":"1951-01-01","value":64.78},{"date":"1952-01-01","value":65.54},{"date":"1953-01-01","value":65.34},{"date":"1954-01-01","value":65.91},{"date":"1955-01-01","value":66.57},{"date":"1956-01-01","value":66.49},{"date":"1957-01-01","value":67.22},{"date":"1958-01-01","value":67.75},{"date":"1963-01-01","value":68.96},{"date":"1968-01-01","value":70.15},{"date":"1970-01-01","value":70.03},{"date":"1991-01-01","value":72.07},{"date":"1993-01-01","value":67.7},{"date":"1996-01-01","value":65.87},{"date":"1998-01-01","value":66.62},{"date":"2002-01-01","value":62.08},{"date":"2004-01-01","value":70.66},{"date":"2006-01-01","value":70.78},{"date":"2010-01-01","value":68.79},{"date":"2015-01-01","value":71.33},{"date":"2022-01-01","value":67.69}],"summary":{"latest_period":"2022-01-01","latest_value":67.69,"max":72.07,"mean":66.2284,"min":62.08,"of":113,"rank":11,"trend":"rising"}}