That's quite at the beginning of the pandemic.
However, despite lockdown, the percentage has fallen slightly since the autumn.
This has surprised most economists, who were expecting unemployment to be much higher.
It is partly because businesses became better at dealing with lockdowns, also because the government spending billions of pounds supporting jobs.
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How high could unemployment go?
Most economists expect the percentage to rise a touch later this year albeit it's hoped more restrictions are often lifted.
That is because many government support schemes - like furlough - are thanks to end after September.
The Bank of England expects the percentage to succeed in around 5.5% within the autumn.
However, the amount of unemployed is predicted to fall next year because the economy continues to recover.
Who is becoming unemployed?
Young people are particularly badly hit by the pandemic.
Shops, pubs, restaurants and entertainment were unable to completely open and these are areas where many children work.
Over the past year the amount of under-25s on company payrolls fell by 289,000.
Record numbers of children also are choosing to remain in education, and aren't trying to find work.
Are there signs of the work market getting better?
The ONS said that the newest figures show "early signs" of a recovery within the jobs market.
There was an increase within the number of vacancies, to the very best level since the pandemic began.
Some businesses, like restaurants and bars, now say they're struggling to seek out the workers they have to reopen.
The number of individuals being made redundant has also been falling, though it's still above it had been before the pandemic began.
How does the furlough scheme keep unemployment down?
Without the billions spent on schemes to guard jobs, and therefore the rapid roll-out of vaccines, the percentage would are much higher. Last year it had been feared that up to four million people would be unemployed.
Under the furlough scheme, the govt has helped many businesses keep their staff on by helping to pay their wages.
The furlough scheme has protected quite 11 million jobs since the pandemic began, and 4 million workers were on furlough at the top of March. The scheme will continue until the top of September.
How many people are claiming out-of-work benefits?
The start of the pandemic saw an enormous increase within the number of individuals claiming out-of-work benefits - much more than the increase within the number of individuals counted as unemployed.
In April 2021 there have been 2.6 million seeking either Jobseeker's Allowance or universal credit because they were "searching for work". This compares with 1.4 million in March 2020, before the pandemic began to require effect.
However, a number of these people are working, but with either low wages or short hours.
The ONS says it cannot tell what percentage claimants are out of labor , or whether or not they are now ready to get universal credit because the principles for claiming it have changed.