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Wage growth unexpectedly slipped to 2.8% from 2.9% within the three months to April, despite unemployment falling by 38,000 to 1.42 million, official figures present.
Economists had anticipated wage growth to stay regular at 2.9%.
The slowdown is prone to dampen expectations of an rate of interest rise in August.
Wage growth is without doubt one of the key figures the Bank of England displays to evaluate the well being of the UK economic system.
Although it's above the present stage of inflation of two.4%, it stays effectively beneath inflation's five-year excessive of three.1% seen in November.
This client spending squeeze is without doubt one of the causes many retailers are presently struggling.
Wage growth slows despite unemployment fall
Economists mentioned the newest figures scale back the possibilities of a near-term improve in rates of interest.
HSBC's UK economist, Elizabeth Martins, mentioned: "The market is pricing in just a 4% chance of a rate rise at the Bank of England's 21 June meeting, so any change to policy would be a big surprise... at this point, the market sees around a 50% chance of an August hike."
The Bank of England, nonetheless, is anticipating wage growth to select up.
Last month it mentioned it anticipated to see pay growth of two.75% a yr by the tip of 2018, rising to three.5% by the tip of 2020.
Analysis by BBC economics editor Kamal Ahmed
Why aren't wages rising extra rapidly?
There may very well be many causes.
Since the monetary disaster, lack of funding in new equipment and know-how to assist corporations carry out higher punched a gap in financial efficiency.
The public sector pay freeze adopted by the 1% pay cap has additionally weighed on the General numbers.
Some economists additionally argue that a lack of bargaining energyunion membership has been in long run declineis resulting in fewer widespread agreements on earnings will increase.
"Employment has continued to rise, whereas the unemployment charge remained at its lowest for over 40 years.
"Wages, both including and excluding bonuses, are continuing to increase, and slightly faster than inflation," the ONS's statistician, David Freeman, mentioned.
The ONS additionally mentioned the variety of folks in work reached a document excessive of 32.three million.
The ONS's newest figures obtained a combined reception.
The TUC's General Secretary, Frances O'Grady, mentioned: "Wage growth is caught within the gradual lane. At this charge pay packets will not recuperate to their pre-recession ranges for years.
"We need to speed things up. Extending collective bargaining would boost living standards and help workers get a fairer share of the wealth they create."
And the British Chambers of Commerce's head of economics, Suren Thiru additionally took a dimmer view.
He mentioned the slowdown in earnings growth was "a concern" and was prone to make a charge rise this yr much less doubtless: "The slowdown in earnings growth, together with the recent weakness in a raft of other economic indicators, undermines the case for tightening monetary policy."
But Andrew Wishart, UK economist at Capital Economics, mentioned: "Another strong set of labour market figures in April suggests that firms remain positive about the outlook for demand despite the economy going through a soft patch at the start of the year."