https://techcrunch.com/2020/03/26/report-whatsapp-has-seen-a-40-increase-in-usage-due-to-covid-19-pandemic/

Social media usage has grown as a result of the COVID-19 crisis as more users go online to stay connected with family, friends, and colleagues. Now, new data from insights and consulting firm Kantar reveals exactly how much some apps are benefitting. According to a survey of over 25,000 consumers in 30 markets conducted from March 14 to 24, WhatsApp is the social media app that has experienced the greatest gains due to COVID-19.

Overall, Facebook-owned WhatsApp has seen a 40% increase in usage that grew from an initial 27% bump in the earlier days of the pandemic to 41% in the mid-phase. For countries already in the later phase of the pandemic, WhatsApp usage has jumped by 51%.