ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence
Given as a target, not a fixed date, per the pin description: "…rent world population of 7.3 billion is expected to reach 8.5 billion by 2030, 9.7 billion in 2050 a…"UN DESA’s July 2015 World Population Prospects revision projected 9.7 billion people in 2050, from 7.3 billion in 2015. This pin records that historical forecast, whose outcome remains an estimate.
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