Most Developed and Least Corrupt Countries

Try to name the 20 countries with the highest average of Human Development Index (HDI) and Corruption Perceptions Index (CPI).
Higher HDI = more developed; higher CPI = less corrupt
Due to different scales (0-1 vs 0-100), HDI figures are multiplied by 100 before averaging with CPI
Sources: #1, #2
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Last updated: December 6, 2025
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First submittedDecember 6, 2025
Times taken45
Average score85.0%
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CPI
HDI
Avg
Country
90
0.962
93.1
Denmark
88
0.948
91.4
Finland
84
0.946
89.3
Singapore
81
0.970
89.0
Norway
81
0.970
89.0
Switzerland
83
0.938
88.4
New Zealand
80
0.959
88.0
Sweden
77
0.972
87.1
Iceland
78
0.955
86.8
Netherlands
81
0.922
86.6
Luxembourg
77
0.958
86.4
Australia
77
0.949
86.0
Ireland
75
0.959
85.5
Germany
75
0.939
84.5
Canada
76
0.905
83.3
Estonia
71
0.946
82.8
United Kingdom
69
0.951
82.1
Belgium
71
0.925
81.8
Japan
76
0.862
81.1
Uruguay
68
0.940
81.0
United Arab Emirates
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3 Comments
+1
Level 67
Dec 6, 2025
Curious where the US ranks on this list
+1
Level 56
Dec 6, 2025
HDI 0.938, CPI 65, average 79.4, rank 23
+1
Level 47
Dec 22, 2025
A bit surprised Uruguay made the list.