The world population will reach 9.9 billion by 2050, up 2.3 billion or 29 percent from an estimated 7.6 billion people now, according to projections by Population Reference Bureau (PRB) included in the 2018 World Population Data Sheet.
PRB has produced the World Population Data Sheet (www.worldpopdata.org) package annually since 1962. The digital and print editions are widely used and cited by educators, policymakers, journalists, program implementers, and others who value the Data Sheet as a trusted reference and source of timely demographic analysis.
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