In the 16th and 17th centuries in England rich people had more (surviving) children than poor people, an exact opposite of current situation.
From Nicholas Wade, "A Troublesome Inheritance...", New York 2014:
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They also reflect actual behaviour of children in each of these countries, for sure!
only the russian one does.
http://alzheimerdisease.tv/alzheimers-rates-off-charts-in-finland-iceland-and-united-states/Finland 34.9
Iceland 25.1
United States 24.8
Sweden 21.5
Netherlands 21.4
Switzerland 20.0
Cuba 19.6
Chile 19.6
Andorra 19.4
Spain 18.7
Norway 18.6
Uruguay 17.5
Denmark 17.4
United Kingdom 17.1
France 16.6
Canada 16.0
Australia 15.3
New Zealand 15.2
Belgium 14.6
Pakistan 14.3
Bhutan 13.4
Malta 13.0
South Korea 12.0
Ireland 11.8
Hungary 11