Why is the crime rate in Nordic countries the lowest in the world? What is the reason? why

The social welfare system in Nordic countries is relatively good, which has played an important role in promoting economic prosperity, social stability and people's living and working in peace and contentment. At present, about 70-80% of the people in Nordic countries are middle-income groups, and they have basically achieved the same prosperity. Social equity has been maintained. About 80% of middle-income people generally have a minimum income of not less than 2,500 euros and a maximum income of not more than 1 10,000 euros. The country belongs to the people, everything is transparent and there is basically no corruption. Rich, fair and efficient, so the crime rate is low.

As a developing country, China's crime rate is not low, which is not reflected by some figures on the Internet, because it is the practice of China's judicial circles to conceal or omit reports.