We lezen daar dat het IQ in warme landen vaak wat lager is.
JP Rushton toont aan dat het vooral ook met de voorspelbaarheid te maken heeft. In een onvoorspelbaar (tropisch) klimaat zijn veel ziekten, waardoor de competitie nooit zo hoog wordt.
In voorspelbare klimaten blijven velen in leven, en ontstat een grote onderlinge competitie die selecteert voor hoger IQ,
In die koude klimaten moet men ook de maanden overleven dat er geen voedsel is te verzamelen. Vooruit plannen vereist ook meet intelligentie.
Centraal en Oost Azie heeft een hoog IQ, maar in de zomer ook heel hoge temperaturen. Hier past de verklaring van lage ziektedruk en dus hoge competitie dus beter.
NB: de inkomens-gegevens zijn soms 10 tot 30 jaar oud. In China is er veel veranderd sindsdien. HIER recente info over inkomen per land.
Rank | Country | IQ | Ø Income | Education expenditures | Ø Daily max | |||
per capita | temperature | |||||||
1 | Singapore | 108 | 25,407 $ | 905 $ | 31.5 °C | |||
2 | Hong Kong | 108 | 25,419 $ | 915 $ | 26.2 °C | |||
3 | Taiwan | 106 | 27.1 °C | |||||
4 | South Korea | 106 | 13,710 $ | 520 $ | 18.2 °C | |||
5 | Japan | 105 | 36,785 $ | 1,242 $ | 19.8 °C | |||
6 | China | 104 | 1,375 $ | 27 $ | 19.4 °C | |||
7 | Switzerland | 102 | 50,004 $ | 2,465 $ | 12.8 °C | |||
8 | Netherlands | 102 | 33,401 $ | 1,683 $ | 14.4 °C | |||
9 | North Korea | 102 | 14.9 °C | |||||
10 | Macao | 101 | 20,622 $ | 625 $ | 25.8 °C | |||
11 | Iceland | 101 | 34,901 $ | 2,416 $ | 8.0 °C | |||
12 | Finland | 101 | 31,424 $ | 1,985 $ | 8.1 °C | |||
13 | Canada | 101 | 27,545 $ | 1,654 $ | 7.4 °C | |||
14 | Belgium | 100 | 30,760 $ | 1,683 $ | 14.5 °C | |||
15 | Germany | 100 | 30,918 $ | 1,386 $ | 13.6 °C | |||
16 | United Kingdom | 100 | 30,884 $ | 1,442 $ | 12.8 °C | |||
17 | Austria | 100 | 32,004 $ | 1,762 $ | 13.1 °C | |||
18 | New Zealand | 100 | 18,703 $ | 1,283 $ | 17.5 °C | |||
19 | Norway | 99 | 48,277 $ | 3,527 $ | 9.0 °C | |||
20 | Sweden | 99 | 36,414 $ | 2,334 $ | 9.5 °C | |||
21 | Luxembourg | 99 | 54,392 $ | 2,286 $ | 13.9 °C | |||
22 | Denmark | 99 | 39,129 $ | 3,127 $ | 12.2 °C | |||
23 | Czechia | 99 | 9,264 $ | 385 $ | 12.2 °C | |||
24 | Estonia | 99 | 9,552 $ | 457 $ | 10.1 °C | |||
25 | Australia | 99 | 25,647 $ | 1,387 $ | 24.4 °C | |||
26 | France | 98 | 29,586 $ | 1,606 $ | 16.6 °C | |||
27 | United States | 98 | 36,610 $ | 1,909 $ | 18.7 °C | |||
28 | Hungary | 98 | 7,408 $ | 391 $ | 16.2 °C | |||
29 | Mongolia | 98 | 897 $ | 50 $ | 8.0 °C | |||
30 | Italy | 97 | 25,872 $ | 1,170 $ | 18.2 °C | |||
31 | Latvia | 97 | 6,954 $ | 333 $ | 10.8 °C | |||
32 | Slovakia | 97 | 9,319 $ | 332 $ | 15.0 °C | |||
33 | Spain | 97 | 19,834 $ | 885 $ | 21.1 °C | |||
34 | Slovenia | 97 | 16,381 $ | 880 $ | 15.4 °C | |||
35 | Poland | 97 | 6,137 $ | 298 $ | 13.2 °C | |||
36 | Russia | 96 | 4,104 $ | 157 $ | 8.6 °C | |||
37 | Moldova | 95 | 767 $ | 53 $ | 16.1 °C | |||
38 | Croatia | 95 | 8,892 $ | 350 $ | 18.3 °C | |||
39 | Ukraine | 95 | 1,458 $ | 82 $ | 14.0 °C | |||
40 | Portugal | 95 | 14,177 $ | 724 $ | 21.2 °C | |||
41 | Ireland | 94 | 28,464 $ | 1,633 $ | 13.2 °C | |||
42 | Vietnam | 94 | 480 $ | 26 $ | 29.2 °C | |||
43 | Israel | 94 | 19,399 $ | 1,224 $ | 26.3 °C | |||
44 | Belarus | 93 | 2,526 $ | 140 $ | 11.6 °C | |||
45 | Malaysia | 93 | 4,563 $ | 274 $ | 31.8 °C | |||
46 | Lithuania | 93 | 6,731 $ | 326 $ | 11.5 °C | |||
47 | Georgia | 92 | 1,307 $ | 37 $ | 19.7 °C | |||
48 | Kazakhstan | 92 | 2,768 $ | 97 $ | 13.0 °C | |||
49 | Greece | 92 | 16,859 $ | 541 $ | 22.5 °C | |||
50 | Bulgaria | 91 | 2,767 $ | 112 $ | 17.9 °C | |||
51 | North Macedonia | 91 | 2,549 $ | 118 $ | 18.7 °C | |||
52 | Argentina | 90 | 6,310 $ | 277 $ | 23.9 °C | |||
53 | Romania | 90 | 3,392 $ | 120 $ | 15.1 °C | |||
54 | Turkey | 89 | 4,924 $ | 140 $ | 19.9 °C | |||
55 | Thailand | 89 | 2,606 $ | 108 $ | 32.7 °C | |||
56 | Serbia | 89 | 3,393 $ | 157 $ | 18.2 °C | |||
57 | Chile | 89 | 5,642 $ | 211 $ | 17.5 °C | |||
58 | Cambodia | 88 | 428 $ | 7 $ | 33.4 °C | |||
59 | Bermuda | 88 | 64,052 $ | 1,473 $ | 24.5 °C | |||
60 | Laos | 88 | 420 $ | 11 $ | 32.0 °C | |||
61 | Mauritius | 87 | 4,528 $ | 166 $ | 26.3 °C | |||
62 | Costa Rica | 86 | 3,981 $ | 216 $ | 28.8 °C | |||
63 | Philippines | 86 | 1,307 $ | 36 $ | 31.3 °C | |||
64 | Mexico | 86 | 6,179 $ | 272 $ | 29.2 °C | |||
65 | Venezuela | 85 | 4,742 $ | 238 $ | 31.6 °C | |||
66 | Bolivia | 85 | 1,031 $ | 68 $ | 25.3 °C | |||
67 | Cuba | 84 | 3,245 $ | 311 $ | 29.8 °C | |||
68 | Iran | 84 | 2,821 $ | 119 $ | 23.7 °C | |||
69 | Albania | 84 | 1,690 $ | 55 $ | 22.6 °C | |||
70 | Indonesia | 84 | 1,080 $ | 29 $ | 31.8 °C | |||
71 | Egypt | 83 | 1,243 $ | 58 $ | 30.1 °C | |||
72 | Ecuador | 83 | 2,354 $ | 69 $ | 24.5 °C | |||
73 | Burma | 83 | 390 $ | 5 $ | 32.1 °C | |||
74 | Brazil | 83 | 4,500 $ | 229 $ | 30.6 °C | |||
75 | United Arab Emirates | 83 | 35,603 $ | 380 $ | 34.5 °C | |||
76 | Pakistan | 82 | 614 $ | 16 $ | 31.6 °C | |||
77 | Algeria | 82 | 2,315 $ | 108 $ | 24.9 °C | |||
78 | Dominican Republic | 82 | 2,720 $ | 46 $ | 32.1 °C | |||
79 | Peru | 82 | 2,316 $ | 77 $ | 25.8 °C | |||
80 | Syria | 82 | 1,131 $ | 58 $ | 25.5 °C | |||
81 | Colombia | 82 | 2,727 $ | 125 $ | 28.5 °C | |||
82 | Morocco | 82 | 1,716 $ | 88 $ | 23.8 °C | |||
83 | Bosnia and Herzegovina | 82 | 2,609 $ | 18.5 °C | ||||
84 | India | 81 | 572 $ | 22 $ | 29.9 °C | |||
85 | Saudi Arabia | 81 | 10,580 $ | 697 $ | 32.6 °C | |||
86 | Afghanistan | 80 | 341 $ | 13 $ | 24.3 °C | |||
87 | Sri Lanka | 79 | 1,025 $ | 30 $ | 28.8 °C | |||
88 | Madagascar | 79 | 277 $ | 9 $ | 28.4 °C | |||
89 | Qatar | 78 | 49,056 $ | 1,595 $ | 33.7 °C | |||
90 | Bangladesh | 77 | 451 $ | 9 $ | 30.7 °C | |||
91 | Nepal | 77 | 277 $ | 10 $ | 25.6 °C | |||
92 | Kenya | 71 | 480 $ | 33 $ | 28.8 °C | |||
93 | Tanzania | 71 | 361 $ | 14 $ | 29.9 °C | |||
94 | Ivory Coast | 71 | 796 $ | 39 $ | 32.0 °C | |||
95 | South Africa | 70 | 3,930 $ | 221 $ | 24.8 °C | |||
96 | Nigeria | 70 | 840 $ | 33.0 °C | ||||
97 | Jamaica | 70 | 3,070 $ | 156 $ | 31.8 °C | |||
98 | Ghana | 69 | 530 $ | 34 $ | 31.5 °C | |||
99 | Namibia | 69 | 2,743 $ | 195 $ | 29.1 °C | |||
100 | Chad | 65 | 360 $ | 10 $ | 36.2 °C | |||
101 | Mozambique | 65 | 282 $ | 11 $ | 29.3 °C | |||
102 | Mali | 64 | 381 $ | 14 $ | 35.9 °C | |||
103 | Democratic Republic of the Congo | 63 | 217 $ | 3 $ | 30.0 °C | |||
104 | Eritrea | 63 | 250 $ | 9 $ | 29.2 °C | |||
105 | Guinea-Bissau | 62 | 307 $ | 12 $ | 32.9 °C | |||
106 | Ethiopia | 61 | 189 $ | 8 $ | 27.1 °C | |||
107 | Senegal | 60 | 870 $ | 38 $ | 35.7 °C | |||
108 | Gambia | 60 | 568 $ | 12 $ | 32.8 °C | |||
109 | East Timor | 60 | 1,520 $ | 48 $ | 30.9 °C | |||
110 | Gabon | 60 | 4,830 $ | 190 $ | 29.8 °C | |||
111 | Sao Tome and Principe | 58 | 881 $ | 54 $ | 28.6 °C | |||
112 | Equatorial Guinea | 56 | 3,336 $ | 156 $ | 30.2 °C | |||
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