1. INTRODUCTION
How many inhabitants did the world have in 2018? Below you can find a reliable answer according to the data published by the United Nations, the United States Census Bureau and the Central Intelligence Agency.
I hope it helps. 🙂
2. WHAT WAS THE POPULATION OF THE WORLD IN 2018?
The world had an approximate population of 7450 million inhabitants in 2018.
– United Nations (2017): 7550 million.
– United States Census Bureau (1/25/2018): 7450 million.
– Central Intelligence Agency (15/7/2017): 7405 million.

Countries and depenencies by population.
3. RELATED
4. REFERENCES
- United Nations (2018). World Population Prospects. 2017 Revision. Page 1. Avaliable [HERE].
- Census.gov (2018). World Population Clock. Avaliable [HERE].
- Central Intelligence Agency (2018). The World Factbook > World > People and Society. Avaliable [HERE].
- Robert Z. Ziemi – Pixibay.com (2018). Crowd in Taiwan. Avaliable [HERE].