Question

In 2000, the world population was 6.1 billion. In 2015, the world population was 7.3 billion. Work out the percentage increase in population. Give your answer correct to 1 decimal place.

Answer 1

19.7%

Explanation:

Given that,

In 2000, the world population was 6.1 billion.

In 2015, the world population was 7.3 billion.

We need to find the percentage increase in population. The percent increase in this case is given by :

`\%=(7.3-6.1)/(6.1)* 100\\\\=19.67\%\\\\=19.7\%`

So, the increase in population is 19.7%.