World Population 2024 Ranking By Country. China is currently the most populous country in the world, with a population estimated at more than 1.42 billion as of september 2022. In 2023, 5.690 million marriage registrations were recorded for the first nine months, an increase from 2022.

235 rows their numbers range from 82 million (germany) to just under 60 million (italy). Since 2002, the world happiness report has used statistical analysis.