Table 1.

The global absolute numbers, rates, and change percents of rate of overall headache disorders, migraine, and TTH in adolescents and young adults

	Prevalence (95% UI)			Incidence (95% UI)			YLD (95% UI)
	Absolute number (2019)	Rate per 100,000 population (2019)	Change percent of rate (1990–2019)	Absolute number (2019)	Rate per 100,000 population (2019)	Change percent of rate (1990–2019)	Absolute number (2019)	Rate per 100,000 population (2019)	Change percent of rate (1990–2019)
Headache disorders	2,049,979,883, (1,864,148,110, 2,239,388,034)	40,884.21, (37,178.03, 44,661.71)	1.39%	601,229,802, (530,329,914, 681,007,934)	11,990.75, (10,576.75, 13,581.83)	-0.71%	38,355,993, (7,259,286, 83,634,503)	764.96, (144.78, 1,667.98)	3.94%
Migraine	938,932,847, (809,364,423, 1,091,101,799)	18,725.81, (16,141.73, 21,760.62)	3.73%	72,479,349, (62,228,889, 82,376,780)	1,445.51, (1,241.08, 1,642.90)	-2.55%	34,934,884, (4,726,361, 80,644,048)	696.73, (94.26, 1,608.34)	4.01%
TTH	1,552,912,194, (1,331,676,025, 1,775,658,298)	30,970.83, (26,558.56, 35,413.22)	0.25%	528,750,453, (459,812,890, 608,377,209)	10,545.25, (9,170.38, 12,133.30)	-0.45%	3,421,109, (986,631, 12,058,300)	68.23, (19.68, 240.49)	3.32%