1. 14.7 Migraine in adults: 1-year prevalence 11.7 14.0 13.3 12.2 11.6 3.0 5.0 8.5 11.6 13.2 10.0 10.2 9.6 16.7 23.2 14.3 Population or community-based surveys of >500 participants covering ages 25-60 y, using IHS or modified IHS criteria Africa4.0 (2 studies) Asia10.6 (6 studies) Australia Europe13.8 (9 studies) N. America12.6 (8 studies) S. America9.6 (10 studies) 8.4 5.9 22.3 9.0 10.1 7.7 5.3 5.0 16.3 12.6 9.3 8.2 10.0 8.5 7.3 13.5 Tekle Haimanot Dent Sakai Takeshima Roh Alders Deleu Wang Lampl Zivadinov Rasmussen Bank Launer Hagen Dahlof Steiner Kryst Schwartz O’Brien Stewart Lipton Jaillard Morillo Wiehe Morillo Miranda Lavados 15.5 Lyngberg 14.7 Patel Mean: 11.2 Median: 10.2

2. 87.3 59.7 13.4 23.1 37.7 63 49.4 29 46 71.0 Africa21.6 (2 studies) Asia58.6 (5 studies) Australia50.0 (1 study) Europe56.1 (8 studies) N. America53.5 (3 studies) S. America41.3 (4 studies) 20.0 55.6 28.5 68.0 78.8 62.0 50.0 77.0 28.7 63.1 35.9 37.3 Dent Levy Sakai Takeshima Roh Deleu Wang Paulin Lampl Nikiforow Mitsikostas D’Alessandro Hagen Dahlof Waters O’Brien Kryst Schwartz Jaillard Wiehe Miranda Lavados 76.0 Boardman Mean: 50.5 Median: 50 Headache in adults: 1-year prevalence Population or community-based surveys of >500 participants covering ages 25-60 y

3. 38.3 74 Africa Asia24.1 (2 studies) Australia Europe80.3 (2studies) N. America38.3 (1 study) S. America46.6 (2 studies) 21.7 26.5 26.9 66.2 Takeshima Alders Rasmussen Schwartz Lavados Wiehe 86.5 Lyngberg Mean: 48.6 Median: 38.3 Tension-type headache in adults: 1-year prevalence Population or community-based surveys of >500 participants covering ages 25-60 y, using IHS or modified IHS criteria

4. 2.2* 2.4 3.0 4.5 4.7 Africa1.7 (1 study) Asia2.2 (3 studies) Australia Europe3.4 (6 studies) N. America2.2 (1 study) S. America5.0 (2 studies) 1.7* *Specifically chronic tension-type headache 2.1* 1.4* 3.2 3.0 2.6* 7.3* Tekle Haimanot Takeshima Ho Lu Henry Lanteri-Minet Rasmussen Mitsikostas Hagen Castillo Schwartz Lavados Wiehe Mean: 3.2 Median: 3.0 Chronic daily headache in adults: 1-year prevalence Population or community-based surveys of >500 participants covering ages 25-60 y

5. Africa Asia1.1 (1 study) Australia Europe1.1 (3 studies) N. America S. America 1.0 Castillo 1.0 Zwart 1.1 Lu Adults Youths Mean: 1.1 0.4 Median: 1.0 0.4 0.5* Dyb * Specifically in youths 0.3* Wang 1.4 Colas Probable medication-overuse headache: 1-year prevalence

6. Africa Asia Australia Europe 0.2 (3 studies) N. America S. America 0.06 0.32 Sjaastad Mean: 0.2 Median: 0.3 0.28 Torelli Tonon Cluster headache in adults: life-time prevalence Population-based surveys using IHS criteria

7. Africa Asia3.7 (3 studies) Australia Europe6.8 (6 studies) N. America S. America9.9 (1 study) 6.8 3.8 0.5 9.9 Wang Kong Bener 2.7 Metsähonkala Mavromichalis 6.2 3.0 Raieli 7.0 Zwart 11.0 Laurel 10.6 Abu-Arefeh Barea Mean: 6.2 Median: 6.5 Migraine in children and adolescents: 1-year prevalence Population or community-based surveys of >500 participants covering ages 6-18 y, using IHS or modified IHS criteria

8. Africa Asia19.9 (2 studies) Australia22.0 (1 study) Europe53.4 (8 studies) N. America91.0 (1 study) S. America86.5 (2 studies) 22.0 36.9 2.8 82.9 90.0 91.0 Kong Bener Wilkinson 36.5 19.5 23.9 76.844.8 78.0 66.0 82.0 Sillanpää Metsähonkala Sillanpää Raieli ZwartLaurell Deubner Abu-Arefeh Rhee Antoniuk Barea Mean: 53.8 Median: 55.4 Headache in children and adolescents: 1-year prevalence Population or community-based surveys of >500 participants covering ages 6-21 y

9. Africa Asia7.0 (2 studies) Australia Europe7.8 (2 studies) N. America S. America 11.0 3.0 Wang Shivpuri 11.0 4.6 Prencipe Camarda Mean: 7.4 Median: 7.8 Migraine in the elderly: 1-year prevalence Population or community-based surveys of >500 participants covering age >61 y

10. Africa Asia37.4 (3 studies) Australia Europe36.4 (2 studies) N. America44.5 (1 study) S. America 19.5 38 44.5 54.8 51.0 21.8 Wang Shivpuri Srikiatkhacho Prencipe Camarda Cook Mean: 38.3 Median: 41.3 Headache in the elderly: 1-year prevalence Population or community-based surveys of >500 participants covering age >61 y