Table 1.

Prevalence of atopic dermatitis in adults in different countries.

Country	1-Year Prevalence of AD in Adults	Lifetime Prevalence of AD in Adults	Ref.
United States	4.9%	-	[24]
Canada	3.5%	-	[24]
Finland	10.1%	21.9%	[25]
Germany	2.2%	2.0–4.0%	[26]
France	-	3.6%	[27]
Italy	8.1%	4.7%	[27,28]
Japan	3.0%	3.3%	[29]