For much of the 20th century, many were accustomed to thinking of people as an ever-expanding resource. As the number of people grew, so did labour markets, consumer markets, scientific communities, production systems and armies. In 1950, the world’s population was about 2.
Source: [SCMP](https://www.scmp.com/opinion/world-opinion/article/3357296/populations-fall-nations-can-tap-human-potential-will-succeed?utm_source=rss_feed)