4. What is the life expectancy of the world today?
A: 50 years B: 60 years C: 70 years
Correct answer is C. The average global life expectancy for those born in 2016 was 72.48 years, according to IHME.
The UNPop estimate is slightly lower, at 71.9 years. We rounded to 70 to avoid overstating progress.
The question comes from Gapminder Test 2017, that 12 000 people in 14 countries took. Read more about the test here. See the results from audiences at our lectures here. Take the test – available in several languages – here.
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