The Chinese and Japanese cultures have numerous similarities and are often confused for being the same. Although there are a variety of similarities, there are also a ton of differences between the cultures.
Because of their geographical proximity, the two countries have influenced each other over the course of history. Many ideas were exchanged and culture diffusion is a huge factor resulting in the similarities between the two.
Some similarities between the two cultures includes the incorporation of Chinese characters into the Japanese language. Another main similarity exists in the appearances of the citizens from both countries. They countries are so close to each other so it makes sense that the appearances of people can be considered similar.
Moreover, traditions are very alike among the two cultures. On the other hand, the two cultures differ in fashion, cuisine, music, and governments. The population in these two countries can also be seen as a contrast: China has a population of over 1 billion, while Japan has a population of less than 150,000,000.
I hope this comparison between the Chinese and Japanese cultures has helped you!