China is the world's largest producer and consumer of coal, accounting for over 50% of global production.

Here are some other regions with significant coal mining activity:

* United States: The U.S. is the second largest producer of coal.

* India: India has a large and growing coal industry.

* Australia: Australia is a major exporter of coal.

* Russia: Russia has vast coal reserves and is a significant producer.

* Indonesia: Indonesia is a major producer and exporter of coal.

* South Africa: South Africa is a major producer and exporter of coal.

It's important to note that while these are the regions with the most coal mines, coal mining is a global activity, and there are mines in many other countries around the world.