20 Most Populated Countries in the world in 1975

Populations were collected from detailed estimates from many complied credible people.

Video was slowed to 0.25 and a robot was used to pause video as soon as the year changed from 1974 to 1975 providing the most accurate estimate data for January 1 for 1975 from that source.

source: https://www.youtube.com/watch?v=eQ3DmdduyyQ&t=37s

2 countries do not exist anymore