On 12th August 2021 – the day of Zambia’s 2021 general election – OONI measurements collected from 7 local networks in Zambia showed that the testing of WhatsApp presented anomalies, suggesting that the app was blocked.

The following chart aggregates OONI measurements collected from 8 local networks in Zambia, illustrating the blocking of WhatsApp on 12th August 2021.

Chart 1: OONI measurements on the testing of WhatsApp, collected from Zambia between 1st August 2021 to 18th August 2021: https://explorer.ooni.org/search?until=2021-08-18&since=2021-08-01&probe_cc=ZM&test_name=whatsapp