There is no dating, but groups of young men in the village go from house to house in the evening to call on families with young women and engage in banter with them and their parents. Traditionally, the young man is expected to pay a bride price and move in with the wife's family on marriage. When the next daughter marries, the couple might set up housekeeping on their own with help from the wife's parents. Ultimately the youngest daughter is left to take care of the parents and inherit the family home and remaining farm plot.
Read more: http://www.everyculture.com/wc/Japan-to-Mali/Lao.html#ixzz31aDc4nyq