It is not lack of wood. Check the population, both at country level and at city levels. Take a look at China in Google Map or Google Earth. If you would like to

It is not lack of wood. Check the population, both at country level and at city levels. Take a look at China in Google Map or Google Earth. If you would like to do research a little further, check the areas covered by forrest. Then you might get an answer. A little historical perspective would help as well. Check how many houses are made of wood in New York City. A reminder: a large number of cities in China have a longer history than New York City.