World population passes 8 billion mark by mid 2023. (UN estimate).

Created by ekr on 2017-11-22; known on 2023-06-30; judged right by Reinersaltaccount on 2023-02-06.

• ekr estimated 80% on 2017-11-22
• unexpectedEOF estimated 50% on 2017-12-07
• Reinersaltaccount estimated 100% on 2023-02-06
• Reinersaltaccount   judged this prediction right on 2023-02-06.