Questions tagged [population]

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14
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Were all but one of the US presidents descended from King John of England?

The Daily Mail says: A 12-year-old girl created family tree linking 42 of 43 U.S. presidents to King John of England, who signed the Magna Carta in 1215. Only the eighth president, Martin Van ...
8
votes
0answers
318 views

Does the availability of modern contraception only explain 10% of human fertility reduction?

It is widely assumed that the most important factor leading to large family sizes and fast population growth is the lack of availability of contraception. But Tim Worstall's book Chasing Rainbows ...
3
votes
0answers
265 views

What is the impact on climate change of having a child?

I found one study from 2017 that says (emphasis mine): We recommend four widely applicable high-impact (i.e. low emissions) actions with the potential to contribute to systemic change and ...
2
votes
0answers
136 views

Were there 2.48 million Syrians living in Saudi Arabia in 2018?

GMI claims As per the data from 2017-2018, more than 30% of the Saudi population are expats. The total number of non-Saudis in the country is estimated to be 10,736,293. Nearly a quarter of this ...
1
vote
0answers
139 views

Do humans, pets and livestock drastically outweigh all other land mammals?

Does this picture demonstrate the actual proportions well (from xkcd)?