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Table 2 Average prevalence of vaping by factors used in the estimation

From: Estimation of the global number of e-cigarette users in 2020

  Number of surveys Prevalence of vaping use (%)
World Bank income classification   
 High income 35 1.90
 Upper middle income 11 1.21
 Lower middle income 2 0.50
 Low income 1 0.50
WHO region   
 South-East Asia region 1 0.20
 African region 1 0.50
 Western Pacific region 8 1.34
 European region 32 1.70
 Region of the Americas 6 1.72
 Eastern Mediterranean region 1 5.00
Legal status of e-cigarettes   
 Banned 6 0.93
 Allowed 40 1.75
 No specific law 3 1.80