Is China the world leader in AI?

Could you elaborate on the notion that China is the world leader in AI? While they certainly have made significant strides in this field, there are also other countries, such as the United States, that have invested heavily in AI research and development. It's important to consider the various factors that contribute to a country's position in AI, such as government funding, private sector investment, research institutions, and talent pools. So, while China may be a strong contender, is it truly the world leader?