According to a 2015 study of 54 countries on hand hygiene, an average of 38.7% of households washed their hands with soap. A 2014 study showed that Saudi Arabia had the highest rate (97%), the United States was in the middle of the table (77%) and China had the lowest rate ( 23%). Today, there are several methods aimed at changing behavior and democratizing the use of soap for hand washing at key times of the day. It is particularly possible, in developing countries, to suggest that school children wash their hands in groups at specific times of the day so that children make this act a habit.
Utafiti wa kuosha mikono katika nchi 54 mnamo 2015 ulitambua kuwa kwa wastani, 38.7% ya nyumba walikuwa wanaosha mikono yao kwa sabuni. Utafiti wa 2014 ulionyesha kuwa Saudi Arabia ilikuwa na kiwango cha juu zaidi cha asilimia 97; Marekani karibu katikati na asilimia 77; na Uchina na kiwango cha chini zaidi cha asilimia 23.Mbinu kadhaa za kubadilisha tabia zipo kwa sasa ili kuongeza tabia ya kuosha mikono kwa sabuni katika nyakati hizi za hatari.Kuosha kwa mikono kwa vikundi kwa watoto wa shule katika masaa ya siku yaliyoratibiwa ni mojawapo ya mbinu katika nchi zinazoendelea ili kuwafunza na kuwakumbusha watoto kuwa na tabia ya kuosha mikono yao.