IS the lack of Black people in Japan one of the reasons why it is the most safe country?

Question:

In the west, in most industrialized countries like the USA, Most crime & statistics occur from the Blacks.
Black neighborhoods are the Most dangerous, & blacks commit the most Robberies, Murders, Drugs ,Prostitutions & crime.

Answer:

China has "lack of black people" too but it has HIGH crime rate. Have you been to Guangzhou?

@Meiko: I am talking about Mainland China. Not Hong Kong or Macau. Obviously you are in Hong Kong. I'm only saying China has a significant low population of "black people" than USA, UK, Canada, France and other countries.