Cities were evaluated on five factors: productivity, infrastructure, quality of life, social equity, the environment. Cities were rated in the range of zero to one - the index of prosperity - City Prosperity Index, CPI.
In Ukraine, only Kyiv falls within CPI index, having 0.8. UN called other Ukrainian cities "unfriendly to the elderly people and people with special needs".
Vienna got the highest index of prosperity, 0.93. The capital of Liberia, Monrovia got the lowest one - 0.31. Among the Russian cities, only Moscow was included in the ranking, having 0.79 points.
The ranking is compiled every two years.
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