Southeast Asia lies just across the sea from southern China and enjoys a similar climate; those lands were plentiful but thinly populated, and ample land was available for farming.
東南亞與中國南部僅一水之隔，且氣候與華南類似，容易適應；再加上當地物產豐饒、人口稀少、可耕地多，華僑乃一個牽引一個，愈聚愈多。