That compared with a 44-year low of 3.9 per cent in the quarter to February.
"These are really strong numbers given the headwinds the economy is currently facing." The ONS added that the UK employment rate was estimated at 76.1 percent, which was the joint-highest figure on record.
However the strong jobs figures were not necessarily translating into higher productivity, analysts noted.
"There are valid concerns that UK firms are hoarding labour instead of much-needed capital expenditure," said Brettell.
"Why would you invest large sums in new plant or machinery in such uncertain times, when you could hire an extra worker and get broadly the same result?" The ONS added that growth in average weekly earnings, including bonuses, slowed to 3.2 per cent in the three months to March.
And they increased by only 1.3 per cent when adjusted for inflation, down from 1.6 per cent in the three months to February.
"This is unwelcome news for hopes that the consumer can keep spending at a robust rate over the summer and help the economy weather prolonged Brexit uncertainties and a challenging global economic environment," said EY ITEM Club economist Howard Archer.
The Institute for Fiscal Studies noted that the UK has experienced "a decade of stagnant wages and there is recent evidence that 'deaths of despair' -- deaths from suicide and drug and alcohol abuse -- are now rising among middle-aged Britons".
The IFS stated that "great inequalities... risk disrupting both our democracy and our prosperity".
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)