Last updated March 8, 2025
Intelligence quotient (IQ) has always been a subject of intense debate and numerous studies. Amidst the controversy, it's crucial to remember that national IQ averages are both useful and somewhat contentious illustrations.
Region ↕ | Average IQ 2019↕ | Education Index 2022↕ |
---|---|---|
82.12 | 0.381 | |
81.75 | 0.739 | |
76 | 0.664 | |
95.2 | 0.742 | |
75.1 | 0.532 | |
70.48 | 0.781 | |
86.63 | 0.870 | |
88.82 | 0.777 | |
99.24 | 0.923 | |
98.38 | 0.866 | |
84.81 | 0.706 | |
86.99 | 0.754 | |
83.6 | 0.819 | |
74.33 | 0.577 | |
91.6 | 0.788 | |
101.6 | 0.796 | |
97.49 | 0.917 | |
62.55 | 0.638 | |
69.71 | 0.389 | |
93.48 | ||
87.94 | 0.557 | |
76.53 | 0.743 | |
88.54 | 0.719 | |
69.45 | 0.663 | |
83.38 | 0.710 | |
76.69 | ||
87.58 | 0.687 | |
90.99 | 0.766 | |
73.8 | 0.302 | |
72.09 | 0.388 | |
99.75 | 0.496 | |
67.76 | 0.589 | |
99.52 | 0.908 | |
52.5 | 0.523 | |
82.24 | ||
62.55 | 0.336 | |
78.87 | 0.304 | |
87.89 | 0.837 | |
104.1 | 0.692 | |
83.13 | 0.697 | |
77.07 | 0.568 | |
83.96 | ||
88.34 | 0.741 | |
95.75 | 0.843 | |
83.9 | 0.753 | |
93.39 | 0.863 | |
94.92 | 0.883 | |
64.92 | 0.507 | |
97.83 | 0.933 | |
68.41 | 0.352 | |
66.03 | 0.684 | |
82.05 | 0.684 | |
78.26 | 0.714 | |
76.32 | 0.685 | |
69.63 | 0.571 | |
68.77 | 0.373 | |
100.72 | 0.892 | |
68.87 | 0.604 | |
68.42 | 0.355 | |
83.96 | 0.730 | |
101.2 | 0.930 | |
96.69 | 0.834 | |
62.97 | 0.664 | |
52.68 | 0.400 | |
84.5 | 0.887 | |
100.74 | 0.957 | |
58.16 | 0.536 | |
90.77 | 0.880 | |
98.89 | ||
79.34 | 0.791 | |
47.72 | 0.490 | |
53.48 | 0.363 | |
83.23 | 0.648 | |
82.1 | 0.495 | |
62.16 | 0.521 | |
105.37 | 0.904 | |
99.24 | 0.826 | |
98.26 | 0.960 | |
76.24 | 0.570 | |
78.49 | 0.676 | |
80.01 | 0.748 | |
89.28 | 0.566 | |
95.13 | 0.890 | |
92.43 | 0.863 | |
94.23 | 0.821 | |
58.16 | 0.421 | |
75.08 | 0.654 | |
106.48 | 0.854 | |
80.7 | 0.697 | |
88.89 | 0.824 | |
75.2 | 0.573 | |
83.96 | 0.631 | |
78.64 | 0.683 | |
79.09 | 0.761 | |
80.99 | 0.480 | |
94.79 | 0.904 | |
81.7 | 0.623 | |
68.87 | 0.558 | |
45.07 | 0.468 | |
80.92 | 0.649 | |
101.07 | 0.844 | |
95.89 | 0.906 | |
99.87 | 0.828 | |
99.82 | ||
76.79 | 0.409 | |
69.7 | 0.493 | |
87.58 | 0.715 | |
80.54 | 0.599 | |
59.76 | 0.248 | |
91.27 | 0.848 | |
83.96 | 0.882 | |
59.76 | 0.385 | |
86.56 | 0.739 | |
87.73 | 0.709 | |
83.96 | 0.593 | |
89.98 | 0.807 | |
91.03 | 0.716 | |
85.78 | 0.839 | |
67.03 | 0.609 | |
72.5 | 0.427 | |
91.18 | 0.553 | |
66.19 | 0.568 | |
42.99 | 0.500 | |
100.74 | 0.920 | |
93.92 | ||
98.57 | 0.930 | |
52.69 | 0.593 | |
70.82 | 0.243 | |
67.76 | 0.545 | |
98.82 | ||
81.91 | 0.701 | |
81.36 | ||
97.13 | 0.937 | |
78.7 | 0.758 | |
80 | 0.366 | |
77.69 | 0.697 | |
79 | 0.723 | |
78.49 | 0.472 | |
84.04 | 0.683 | |
81.44 | 0.744 | |
81.64 | 0.656 | |
96.35 | 0.882 | |
92.77 | 0.787 | |
81.99 | ||
80.78 | 0.706 | |
62.97 | 0.621 | |
86.88 | 0.783 | |
96.29 | 0.849 | |
69.95 | 0.480 | |
70.48 | 0.860 | |
73.68 | 0.639 | |
63.42 | 0.819 | |
83.96 | 0.724 | |
65.22 | 0.549 | |
76.36 | 0.799 | |
77.37 | 0.349 | |
89.6 | 0.786 | |
78.76 | 0.759 | |
45.07 | 0.367 | |
105.89 | 0.866 | |
96.32 | 0.842 | |
98.6 | 0.913 | |
83.96 | 0.483 | |
67.67 | 0.274 | |
68.87 | 0.784 | |
102.35 | 0.878 | |
58.61 | 0.346 | |
93.9 | 0.848 | |
86.62 | 0.751 | |
78.87 | 0.366 | |
90.29 | 0.586 | |
97 | 0.923 | |
99.24 | 0.924 | |
74.41 | 0.396 | |
106.47 | ||
87.71 | 0.679 | |
74.95 | 0.426 | |
88.87 | 0.727 | |
78.49 | 0.567 | |
59.83 | 0.548 | |
83.96 | 0.816 | |
85.63 | 0.782 | |
79.22 | 0.672 | |
86.8 | 0.793 | |
85.86 | 0.737 | |
84.29 | ||
76.42 | 0.526 | |
90.07 | 0.739 | |
82.05 | 0.904 | |
99.12 | 0.936 | |
97.43 | 0.909 | |
87.59 | 0.787 | |
89.01 | 0.730 | |
93.92 | 0.568 | |
82.99 | 0.695 | |
89.53 | 0.647 | |
62.86 | 0.313 | |
68.43 | 0.549 | |
74.01 | 0.599 |
Based on data, Nepal has the lowest average IQ at 42.99, followed by Sierra Leone and Liberia, with an average IQ of 45.07. Guatemala comes in fourth with a marginally higher average IQ of 47.72. Middle-ranking countries include Cape Verde and Gambia, with average IQ scores of 52.5 and 52.68, respectively. Nicaragua and Guinea also fall into a similar range with 52.69 and 53.48 scores, respectively. Notably higher on the list are Ghana and Ivory Coast, with average IQs of 58.16.
Dumbest Countries in the World (by Average IQ):
82.12
Ranked in World
#97
0.381
Ranked in World
#177
81.75
Ranked in World
#91
0.739
Ranked in World
#78
Ranked in World
#56
0.664
Ranked in World
#112
95.2
Ranked in World
#162
0.742
Ranked in World
#76
75.1
Ranked in World
#54
0.532
Ranked in World
#152
70.48
Ranked in World
#42
0.781
Ranked in World
#64
86.63
Ranked in World
#122
0.870
Ranked in World
#29
88.82
Ranked in World
#135
0.777
Ranked in World
#65
99.24
Ranked in World
#182
0.923
Ranked in World
#9
98.38
Ranked in World
#175
0.866
Ranked in World
#30
84.81
Ranked in World
#116
0.706
Ranked in World
#93
86.99
Ranked in World
#125
0.754
Ranked in World
#70
83.6
Ranked in World
#103
0.819
Ranked in World
#49
74.33
Ranked in World
#50
0.577
Ranked in World
#135
91.6
Ranked in World
#150
0.788
Ranked in World
#57
101.6
Ranked in World
#193
0.796
Ranked in World
#54
97.49
Ranked in World
#172
0.917
Ranked in World
#12
62.55
Ranked in World
#16
0.638
Ranked in World
#122
69.71
Ranked in World
#40
0.389
Ranked in World
#174
93.48
Ranked in World
#154
87.94
Ranked in World
#132
0.557
Ranked in World
#145
76.53
Ranked in World
#61
0.743
Ranked in World
#75
88.54
Ranked in World
#134
0.719
Ranked in World
#87
69.45
Ranked in World
#37
0.663
Ranked in World
#114
83.38
Ranked in World
#102
0.710
Ranked in World
#91
76.69
Ranked in World
#62
87.58
Ranked in World
#126
0.687
Ranked in World
#103
90.99
Ranked in World
#146
0.766
Ranked in World
#66
73.8
Ranked in World
#48
0.302
Ranked in World
#190
72.09
Ranked in World
#45
0.388
Ranked in World
#175
99.75
Ranked in World
#185
0.496
Ranked in World
#158
67.76
Ranked in World
#29
0.589
Ranked in World
#133
99.52
Ranked in World
#184
0.908
Ranked in World
#16
52.5
Ranked in World
#5
0.523
Ranked in World
#154
82.24
Ranked in World
#98
62.55
Ranked in World
#17
0.336
Ranked in World
#187
78.87
Ranked in World
#74
0.304
Ranked in World
#189
87.89
Ranked in World
#131
0.837
Ranked in World
#43
104.1
Ranked in World
#195
0.692
Ranked in World
#101
83.13
Ranked in World
#100
0.697
Ranked in World
#96
77.07
Ranked in World
#64
0.568
Ranked in World
#139
83.96
Ranked in World
#107
88.34
Ranked in World
#133
0.741
Ranked in World
#77
95.75
Ranked in World
#163
0.843
Ranked in World
#40
83.9
Ranked in World
#104
0.753
Ranked in World
#71
93.39
Ranked in World
#153
0.863
Ranked in World
#32
94.92
Ranked in World
#160
0.883
Ranked in World
#24
64.92
Ranked in World
#22
0.507
Ranked in World
#156
97.83
Ranked in World
#173
0.933
Ranked in World
#5
68.41
Ranked in World
#30
0.352
Ranked in World
#184
66.03
Ranked in World
#24
0.684
Ranked in World
#105
82.05
Ranked in World
#94
0.684
Ranked in World
#106
78.26
Ranked in World
#67
0.714
Ranked in World
#90
76.32
Ranked in World
#58
0.685
Ranked in World
#104
69.63
Ranked in World
#38
0.571
Ranked in World
#137
68.77
Ranked in World
#33
0.373
Ranked in World
#178
100.72
Ranked in World
#188
0.892
Ranked in World
#21
68.87
Ranked in World
#34
0.604
Ranked in World
#128
68.42
Ranked in World
#31
0.355
Ranked in World
#183
83.96
Ranked in World
#108
0.730
Ranked in World
#82
101.2
Ranked in World
#192
0.930
Ranked in World
#6
96.69
Ranked in World
#168
0.834
Ranked in World
#44
62.97
Ranked in World
#19
0.664
Ranked in World
#113
52.68
Ranked in World
#6
0.400
Ranked in World
#172
84.5
Ranked in World
#115
0.887
Ranked in World
#23
100.74
Ranked in World
#189
0.957
Ranked in World
#2
58.16
Ranked in World
#9
0.536
Ranked in World
#151
90.77
Ranked in World
#145
0.880
Ranked in World
#27
98.89
Ranked in World
#179
79.34
Ranked in World
#79
0.791
Ranked in World
#56
47.72
Ranked in World
#4
0.490
Ranked in World
#161
53.48
Ranked in World
#8
0.363
Ranked in World
#182
83.23
Ranked in World
#101
0.648
Ranked in World
#119
82.1
Ranked in World
#96
0.495
Ranked in World
#159
62.16
Ranked in World
#15
0.521
Ranked in World
#155
105.37
Ranked in World
#196
0.904
Ranked in World
#18
99.24
Ranked in World
#183
0.826
Ranked in World
#46
98.26
Ranked in World
#174
0.960
Ranked in World
#1
76.24
Ranked in World
#57
0.570
Ranked in World
#138
78.49
Ranked in World
#69
0.676
Ranked in World
#110
80.01
Ranked in World
#81
0.748
Ranked in World
#73
89.28
Ranked in World
#139
0.566
Ranked in World
#143
95.13
Ranked in World
#161
0.890
Ranked in World
#22
92.43
Ranked in World
#151
0.863
Ranked in World
#33
94.23
Ranked in World
#158
0.821
Ranked in World
#48
58.16
Ranked in World
#10
0.421
Ranked in World
#169
75.08
Ranked in World
#53
0.654
Ranked in World
#117
106.48
Ranked in World
#199
0.854
Ranked in World
#35
80.7
Ranked in World
#83
0.697
Ranked in World
#97
88.89
Ranked in World
#137
0.824
Ranked in World
#47
75.2
Ranked in World
#55
0.573
Ranked in World
#136
83.96
Ranked in World
#109
0.631
Ranked in World
#123
78.64
Ranked in World
#71
0.683
Ranked in World
#107
79.09
Ranked in World
#77
0.761
Ranked in World
#67
80.99
Ranked in World
#86
0.480
Ranked in World
#163
94.79
Ranked in World
#159
0.904
Ranked in World
#19
81.7
Ranked in World
#90
0.623
Ranked in World
#124
68.87
Ranked in World
#35
0.558
Ranked in World
#144
45.07
Ranked in World
#3
0.468
Ranked in World
#166
80.92
Ranked in World
#85
0.649
Ranked in World
#118
101.07
Ranked in World
#191
0.844
Ranked in World
#39
95.89
Ranked in World
#164
0.906
Ranked in World
#17
99.87
Ranked in World
#187
0.828
Ranked in World
#45
99.82
Ranked in World
#186
76.79
Ranked in World
#63
0.409
Ranked in World
#171
69.7
Ranked in World
#39
0.493
Ranked in World
#160
87.58
Ranked in World
#127
0.715
Ranked in World
#89
80.54
Ranked in World
#82
0.599
Ranked in World
#129
59.76
Ranked in World
#13
0.248
Ranked in World
#192
91.27
Ranked in World
#149
0.848
Ranked in World
#37
83.96
Ranked in World
#106
0.882
Ranked in World
#25
59.76
Ranked in World
#12
0.385
Ranked in World
#176
86.56
Ranked in World
#120
0.739
Ranked in World
#79
87.73
Ranked in World
#130
0.709
Ranked in World
#92
83.96
Ranked in World
#112
0.593
Ranked in World
#131
89.98
Ranked in World
#142
0.807
Ranked in World
#52
91.03
Ranked in World
#147
0.716
Ranked in World
#88
85.78
Ranked in World
#118
0.839
Ranked in World
#42
67.03
Ranked in World
#26
0.609
Ranked in World
#127
72.5
Ranked in World
#46
0.427
Ranked in World
#167
91.18
Ranked in World
#148
0.553
Ranked in World
#146
66.19
Ranked in World
#25
0.568
Ranked in World
#140
42.99
Ranked in World
#1
0.500
Ranked in World
#157
100.74
Ranked in World
#190
0.920
Ranked in World
#11
93.92
Ranked in World
#157
98.57
Ranked in World
#176
0.930
Ranked in World
#7
52.69
Ranked in World
#7
0.593
Ranked in World
#132
70.82
Ranked in World
#44
0.243
Ranked in World
#193
67.76
Ranked in World
#28
0.545
Ranked in World
#150
98.82
Ranked in World
#178
81.91
Ranked in World
#92
0.701
Ranked in World
#95
81.36
Ranked in World
#87
97.13
Ranked in World
#170
0.937
Ranked in World
#3
78.7
Ranked in World
#72
0.758
Ranked in World
#69
Ranked in World
#80
0.366
Ranked in World
#180
77.69
Ranked in World
#66
0.697
Ranked in World
#98
Ranked in World
#76
0.723
Ranked in World
#86
78.49
Ranked in World
#70
0.472
Ranked in World
#165
84.04
Ranked in World
#113
0.683
Ranked in World
#108
81.44
Ranked in World
#88
0.744
Ranked in World
#74
81.64
Ranked in World
#89
0.656
Ranked in World
#116
96.35
Ranked in World
#167
0.882
Ranked in World
#26
92.77
Ranked in World
#152
0.787
Ranked in World
#58
81.99
Ranked in World
#93
80.78
Ranked in World
#84
0.706
Ranked in World
#94
62.97
Ranked in World
#20
0.621
Ranked in World
#125
86.88
Ranked in World
#124
0.783
Ranked in World
#62
96.29
Ranked in World
#165
0.849
Ranked in World
#36
69.95
Ranked in World
#41
0.480
Ranked in World
#164
70.48
Ranked in World
#43
0.860
Ranked in World
#34
73.68
Ranked in World
#47
0.639
Ranked in World
#121
63.42
Ranked in World
#21
0.819
Ranked in World
#50
83.96
Ranked in World
#105
0.724
Ranked in World
#85
65.22
Ranked in World
#23
0.549
Ranked in World
#147
76.36
Ranked in World
#59
0.799
Ranked in World
#53
77.37
Ranked in World
#65
0.349
Ranked in World
#185
89.6
Ranked in World
#141
0.786
Ranked in World
#60
78.76
Ranked in World
#73
0.759
Ranked in World
#68
45.07
Ranked in World
#2
0.367
Ranked in World
#179
105.89
Ranked in World
#197
0.866
Ranked in World
#31
96.32
Ranked in World
#166
0.842
Ranked in World
#41
98.6
Ranked in World
#177
0.913
Ranked in World
#13
83.96
Ranked in World
#110
0.483
Ranked in World
#162
67.67
Ranked in World
#27
0.274
Ranked in World
#191
68.87
Ranked in World
#36
0.784
Ranked in World
#61
102.35
Ranked in World
#194
0.878
Ranked in World
#28
58.61
Ranked in World
#11
0.346
Ranked in World
#186
93.9
Ranked in World
#155
0.848
Ranked in World
#38
86.62
Ranked in World
#121
0.751
Ranked in World
#72
78.87
Ranked in World
#75
0.366
Ranked in World
#181
90.29
Ranked in World
#144
0.586
Ranked in World
#134
Ranked in World
#169
0.923
Ranked in World
#10
99.24
Ranked in World
#181
0.924
Ranked in World
#8
74.41
Ranked in World
#51
0.396
Ranked in World
#173
106.47
Ranked in World
#198
87.71
Ranked in World
#129
0.679
Ranked in World
#109
74.95
Ranked in World
#52
0.426
Ranked in World
#168
88.87
Ranked in World
#136
0.727
Ranked in World
#84
78.49
Ranked in World
#68
0.567
Ranked in World
#142
59.83
Ranked in World
#14
0.548
Ranked in World
#149
83.96
Ranked in World
#111
0.816
Ranked in World
#51
85.63
Ranked in World
#117
0.782
Ranked in World
#63
79.22
Ranked in World
#78
0.672
Ranked in World
#111
86.8
Ranked in World
#123
0.793
Ranked in World
#55
85.86
Ranked in World
#119
0.737
Ranked in World
#81
84.29
Ranked in World
#114
76.42
Ranked in World
#60
0.526
Ranked in World
#153
90.07
Ranked in World
#143
0.739
Ranked in World
#80
82.05
Ranked in World
#95
0.904
Ranked in World
#20
99.12
Ranked in World
#180
0.936
Ranked in World
#4
97.43
Ranked in World
#171
0.909
Ranked in World
#15
87.59
Ranked in World
#128
0.787
Ranked in World
#59
89.01
Ranked in World
#138
0.730
Ranked in World
#83
93.92
Ranked in World
#156
0.568
Ranked in World
#141
82.99
Ranked in World
#99
0.695
Ranked in World
#99
89.53
Ranked in World
#140
0.647
Ranked in World
#120
62.86
Ranked in World
#18
0.313
Ranked in World
#188
68.43
Ranked in World
#32
0.549
Ranked in World
#148
74.01
Ranked in World
#49
0.599
Ranked in World
#130