Landowning aristocrats were on the top; they own estates, houses surrounded by walls to keep out invader, they relied on farmers to grow crops on the land, and the amount of land decreases as time went by because they separated the land amount there sons and grandsons.
Peasant farmers second on the pyramid. Nine out of ten people Chinese were farmers. Farmers were relied on by the aristocrats to farm on their land. They would give part of there crops to the landowners in return of farming on their land. Farmers lived in simple house inside village walls.
Merchants were on the bottom, this included shopkeepers, traders, and bankers. They lived in towns and provided goods and services to the landowners, however, they were looked down on by landowners and farmers. Also, merchants weren't allowed to have government jobs because government officials should not be concerned with money.