10 percent of all the sites around 4000 BC were sedentary. At the same time, only 0.5 to 1 percent of these represented villages with more than 3 to 4 houses. This means that the old nomadic or migratory life style continued in a parallel fashion for several thousand years, until somewhat more sites turned to sedentism, and gradually switched over to agricultural sedentism.

The shift to sedentism is coupled with the adoption of new subsistence-strategies, specifically moving from foraging