"Today I can confirm that we first went through the peak ... We went through the peak and on a downward slope," Johnson quoted Sky News as saying.
The prime minister said that next week he will present a detailed plan for economic recovery and the launch of educational institutions.
He also said that according to the latest data, the number of people who died from the consequences of COVID-19 infection in the country reached 26,711.
It was previously reported that in France, 289 people with confirmed coronavirus infection died in 24 hours.