“…In summary, the aforementioned studies expanded the multi-dimensional perspectives and approaches of urbanization dynamic mechanisms, which are important to optimize urban-rural population distribution. However, the previous studies mainly focused on the impacts of market force, intrinsic force, and exterior force on urbanization, while ignoring the needs of vulnerable groups, which is inconsistent with the people-oriented urbanization advocated by the new-type urbanization; and is also not conducive to achieving the goals of three "100 million people" [10,23]. The goal of this policy is to promote about 100 million agricultural-based people to settle in cities and towns, transforming city villages and shantytowns, where about 100 million people currently live, and guiding about 100 million people to settle in nearby towns and cities in Central and Western China.…”