The most abundant type of agriculture practiced around the world is intensive subsistence agriculture, which depends heavily on animal energy and is commonly practiced in the humid tropical regions of the world. Ongoing efforts are needed to improve agricultural census data. Numerous sources provide evidence of trends and patterns in the average size of farms and the distribution of farmland around the world, but they often lack documentation, in some cases they are out of date and do not provide comprehensive global and regional comparative estimates. For example, there are large scale commercial farms and small family farms that are considered types of commercial agriculture.
With agriculture becoming more and more productive, not everyone had to work on a farm in order to feed themselves. It is more common in large scale commercial operations, but even small family farms have elements of intensive agriculture. Imagine a family farm on a small plot of land and a huge commercial farm that encompasses acres and acres of land.