{"entity":{"iso2":"TZ","iso3":"TZA","name":"Tanzania","slug":"tanzania"},"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":"1948-01-01","value":64.61},{"date":"1949-01-01","value":64.48},{"date":"1950-01-01","value":64.78},{"date":"1951-01-01","value":65.33},{"date":"1952-01-01","value":65.58},{"date":"1953-01-01","value":65.72},{"date":"1954-01-01","value":66.16},{"date":"1955-01-01","value":66.68},{"date":"1956-01-01","value":66.82},{"date":"1957-01-01","value":67.31},{"date":"1958-01-01","value":67.82},{"date":"1959-01-01","value":67.99},{"date":"1960-01-01","value":68.7},{"date":"1961-01-01","value":67.97},{"date":"1962-01-01","value":67.12},{"date":"1963-01-01","value":66.24},{"date":"1964-01-01","value":65.32},{"date":"1965-01-01","value":64.67},{"date":"1966-01-01","value":63.58},{"date":"1967-01-01","value":62.89},{"date":"1968-01-01","value":62.21},{"date":"1969-01-01","value":61.18},{"date":"1970-01-01","value":60.48},{"date":"1991-01-01","value":54.58},{"date":"2000-01-01","value":56.64},{"date":"2007-01-01","value":59.96},{"date":"2011-01-01","value":58.85},{"date":"2017-01-01","value":61.25}],"summary":{"latest_period":"2017-01-01","latest_value":61.25,"max":68.7,"mean":64.1043,"min":54.58,"of":113,"rank":21,"trend":"falling"}}