Official data showed a total of 33.51 million people in the U.K. have received the first dose, with more than 12 million people having been given both.
“It’s a brilliant milestone,” Hancock said in a clip on Twitter.
The UK’s official population is 66.8 million, the Department of Health and Social Care said.
Britain’s vaccine rollout, which has raced ahead of countries in the European Union, means it is on track to ease lockdown measures and re-open the economy in line with its plan.
“This vaccination programme is our way out of this pandemic,” Hancock added.
Officials also reported on Saturday a further 2,061 coronavirus cases and 32 deaths within 28 days of a positive test.
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