The eMarketer research company conducted a study that determined the ten countries with the highest revenue to the application, from any device, at least once a month. The country that is in the first place in the ranking is India with 340 million users in 2019, which is equivalent to one in three WhatsApp users in the world. Senior analyst Jasmine Enverg explained the reason for this result, stating that the country manages to collect that figure since the application can be used in ba...