JAN TOP SOCIAL MESSENGERS AROUND THE WORLD 2019 THE MOST POPULAR MESSENGER APP BY COUNTRY / TERRITORY IN DECEMBER 2018 WHATSAPP (133) FACEBOOK MESSENGER (75) VIBER (10) IMO (3) LINE (3) TELEGRAM (3) WECHAT (3) GOOGLE MESSAGES (1) HANGOUTS (1) KAKAOTALK (1) ZALO (1) UNKNOWN (11) SOURCE: BASED ON SIMILARWEB’S ALGORITHM INTEGRATING CURRENT INSTALLS FROM THE GOOGLE PLAY STORE WITH ACTIVE APP USERS (DECEMBER 2018). 83 NOTE: FIGURES IN PARENTHESES IN THE LEGEND REPRESENT THE NUMBER OF COUNTRIES / TERRITORIES IN WHICH EACH PLATFORM IS THE TOP-RANKED MESSENGER APP.