The household density (households/km2) in- creased from 574 in 1980 to 1,396 in 2010. Be- tween 2005 and 2010, the number of households in rural areas such as Gunwi in Gyeongsang- buk-do and Yeonggwang and Hampyeong in Jeollanam-do decreased by 8%, while the number of households increased by more than 40% in the Greater Seoul Metropolitan area and other indus-

trialized regions such as Hwaseong and Osan in Gyeonggi-do and Asan in Chungcheongnam-do.

The average household size (persons/household) has decreased gradually, i.e., 4.62 in 1980, 3.77 in 1990, 3.12 in 2000, 2.88 in 2005, and 2.69 in 2010. In 2010, Gyeonggi-do had the largest size at 2.85, and Gyeongsangbuk-do had the smallest size at 2.44.