Question 1

There are roughly eight billion people in the world today. Which map best shows where they live? (Each figure represents 1 billion people.)

Question 2

According to the United Nations, the world population will increase by another 2.4 billion people by 2100. The main reason is that there will be more…

Question 3

What share of the world’s population lives in countries where women on average have less than 3 babies?

Question 4

There are 2 billion children in the world today, aged 0-14 years old. How many children will there be in the year 2100 according to the United Nations?

Question 5

The total number of old people worldwide (age 65+) is expected to increase by 800 million by 2050. How much of the increase will happen in high-income countries?

Question 6

By 2050, the number of old people (age 65+) will double everywhere, except:

Question 7

Today, 65% of the world’s population are of working age (15-64 years old). What do UN experts think this number will be in 2100?

Question 8

There are currently 8 billion people on Earth. How many people do UN experts think there will be in 2100?

Question 9

What share of all countries will have fewer people in 2050 than they have today, if current population trends continue?

Question 10

Thirty years ago, less than 25% of the world's population lived in middle-income countries. What is the share today?

Question 11

It took 12 years for the world's population to grow from 6 to 7 billion people. How long did it take from 7 to 8 billion?

Question 12

How many of the world’s 195 countries do UN experts expect to decrease in population size between now and 2050?

Question 13

Which part of the world has the largest genetic diversity, meaning variation of human DNA?

Question 14

In this image the world population is split into three income groups, divided at $2/day and $24/day. Which option, A, B or C, best shows the groups' sizes in 2022?

Question 15

Today, more than 5 times more people live in towns and cities than in 1950. What happened to the rural population?

Question 16

Around half of the world's population is below:

Question 17

What percentage of the world's population lives in countries where women on average have 5 or more babies?