{"entity":{"iso2":"MR","iso3":"MRT","name":"Mauritania","slug":"mauritania"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-population-in-thousands-age-50-54-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.POP.5054","title":"Barro-Lee: Population in thousands, age 50-54, total","unit":null},"observations":[{"date":"1960-01-01","value":31.0},{"date":"1965-01-01","value":35.0},{"date":"1970-01-01","value":39.0},{"date":"1975-01-01","value":45.0},{"date":"1980-01-01","value":51.0},{"date":"1985-01-01","value":57.0},{"date":"1990-01-01","value":63.0},{"date":"1995-01-01","value":69.0},{"date":"2000-01-01","value":78.0},{"date":"2005-01-01","value":81.0},{"date":"2010-01-01","value":101.0}],"summary":{"latest_period":"2010-01-01","latest_value":101.0,"max":101.0,"mean":59.0909,"min":31.0,"of":144,"rank":120,"trend":"rising"}}