Table 1.

Area populations and numbers of cases.

	Age group (years)	Populationa (in thousands)	Number of fracture cases
Men
	0–19	3,700	79,756
	20–39	5,513	28,985
	40–64	7,522	45,394
	65–79	3,563	30,560
	≥80	970	26,580
	Total	21,268	211,275
Women
	0–19	3,512	34,019
	20–39	5,137	11,329
	40–64	7,195	46,180
	65–79	3,961	84,423
	≥80	1,714	120,825
	Total	21,519	296,776
Total
	0–19	7,212	113,775
	20–39	10,650	40,314
	40–64	14,717	91,574
	65–79	7,524	114,983
	≥80	2,684	147,405
	Total	42,787	508,051

^aPopulation is based on publicly available data from the Ministry of Internal Affairs and Communication, Japan.