Multiple choice

World population is increasing at which of the following rates?

  1. 1 billion per decade

  2. 2 billion per decade

  3. 1 billion every 5 years

  4. 2 billion every 5 years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Historically, the world population has been growing by approximately 1 billion people every 11 to 12 years, which is roughly 1 billion per decade. For example, the global population reached 7 billion in 2011 and 8 billion in late 2022.

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