세계 인구 수가 매 시간당 약 만명정도 늘고 있는 듯 보인다...ㅋ https://www.worldometers.info/world-population/ World Population Clock: 7.9 Billion People (2021) - Worldometer World Population: Past, Present, and Future (move and expand the bar at the bottom of the chart to navigate through time) The chart above illustrates how world population has changed throughout history. View the full tabulated data. At the dawn of ..