The number 1 messaging apps per country in the Google Play Store. Just bear in mind that Facebook recently acquired WhatsApp. Data from May 19th, 2014.
This Wikibrains interactive map mentions: facebook messenger, line, whatsapp, united states, japan, united kingdom, australia, germany, canada, france, italy, qq, china, Switzerland, viber, russia, kakaotalk, south korea, netherlands, argentina, austria, belgium, brazil, bulgaria, chile, czech republic, denmark, egypt, finland, greece, hong kong, hungary, india, bbm, indonesia, ireland, israel, kuwait, malaysia, mexico, new zealand, norway, skype, philippines, poland, portugal, romania, saudi arabia, singapore, slovakia, south africa, spain, sweden, taiwan, thailand, turkey, ukraine, united arab emirates,
Created at: 2014-05-20 11:58:56 UTC
Updated at: 2014-05-20 11:58:56 UTC