Country with the highest IQ
Singapore
Richest man in the world
Elon Musk
How many trees are there in the world
3.04 trillion trees
How old is planet earth
4.543 billion years
Richest Country in the world
Qatar
Country with the highest population 2021
China
Poorest Country in the World
Burundi
Number of countries in the world
195
Person with the highest IQ
Marilyn vos Savant
Population of the world
7.674 billion