The average IQ in the United States is usually set at 100. Groups within the US score different average IQ's, such as 115 for college grads or 85 for African-Americans. Similarly, average IQ varies from country to country, shown in the 2002 book IQ and the Wealth of Nations (sets Britain at 100): From Intelligence and the Wealth and Poverty of Nations by Richard Lynn
Rank
Country
IQ estimate
1. Hong Kong 107
2. South Korea 106
3. Japan 105
4. Taiwan 104
5. Singapore 103
6. Austria 102
6. Germany 102
6. Italy 102
6. Netherlands 102
10 Sweden 101
10 Switzerland 101
12 Belgium 100
12 ** China 100
12 New Zealand 100
12 ** United Kingdom 100
16 Hungary 99
16 Poland 99
16 ** Spain 99
19 Australia 98
19 Denmark 98
19 * France 98
19 Mongolia 98
19 Norway 98
19 * United States 98
25 Canada 97
25 Czech Republic 97
25 Finland 97
28 Argentina 96
28 ^ Russia 96
28 Slovakia 96
28 Uruguay 96
32 ^ Portugal 95
32 Slovenia 95
34 Israel 94
34 Romania 94
36 Bulgaria 93
36 Ireland 93
36 * Greece 93
39 Malaysia 92
40 Thailand 91
41 Croatia 90
41 ^ Peru 90
41 * * Turkey 90
44 Colombia 89
44 Indonesia 89
44 Suriname 89
47 Brazil 87
47 * * Iraq 87
47 ^ Mexico 87
47 Samoa 87
47 Tonga 87
52 * Lebanon 86
52 Philippines 86
54 Cuba 85
54 Morocco 85
56 Fiji 84
56 * Iran 84
56 Marshall Islands 84
56 Puerto Rico 84
60 ** Egypt 83
60 Saudi Arabia 83
60 United Arab Emirates 83
61 * India 81
62 Ecuador 80
63 Guatemala 79
64 Barbados 78
64 Nepal 78
64 Qatar 78
67 Zambia 77
68 Congo 73
68 Uganda 73
70 Jamaica 72
70 Kenya 72
70 South Africa 72
70 Sudan 72
70 Tanzania 72
75 Ghana 71
76 Nigeria 67
77 Guinea 66
77 ^ Zimbabwe 66
79 Democratic Republic of the Congo 65
80 Sierra Leone 64
81 Ethiopia 63
82 Equatorial Guinea 59
Poster Comment:
It mystifies me the number of people who do not understand the most simple of statistics.
The average IQ in the United States is set at 100. It is not 85 to 110, as I've seen claimed here. It is 100.
This allows statisticians to figure what the IQ is in other nations.