Women successful England and Wales had an mean of 1.44 children betwixt 2022 and 2023, the lowest complaint connected record.
Only 591,072 babies were calved successful 2023, less than successful immoderate twelvemonth since 1977 and a autumn of much than 14,000 connected the erstwhile year, figures from the Office for National Statistics showed.
The mean property of caller mums and dads has accrued to 33.8 for fathers and 30.9 for mothers.
Research suggests millennials, calved up to the mid-1990s, are not having children due to the fact that of fiscal pressures, not feeling acceptable oregon having not recovered the close partner.
While the fig of births fell to a grounds debased past year, the fig of women of child-bearing property was astatine its highest ever astatine 12 million.
This meant the full fertility complaint successful 2023 was the lowest recorded since 1938.
Greg Ceely, caput of colonisation wellness monitoring astatine the ONS, said full fertility rates had been declining since 2010 but was peculiarly notable successful immoderate property groups.
"The diminution successful fertility rates has been the astir melodramatic successful the 20-24 and 25-29 property groups,” helium said.
For countries to support their populations, the fertility complaint needs to beryllium astir 2.1 children per woman.
But contempt a declining fertility complaint successful England and Wales since the 1970s, the colonisation has continued to grow, mostly due to the fact that of immigration.
In astir countries astir the world, fertility rates are falling.
In Scotland, the full fertility complaint besides fell to 1.3, and the fig of babies calved was besides down to the lowest ever fig of 45,935, according to the National Records of Scotland.
There were 27,374 unrecorded births successful Wales successful 2023 and 563,561 successful England.
A caller study from University College London (UCL) recovered that lone 1 successful 4 32-year-olds successful England who privation children are actively trying to person them.
When researchers looked astatine the reasons for why, fiscal and enactment pressures were often cited for those calved successful 1989-90.
UCL's Dr Alina Pelikh said the falling fertility complaint highlighted the challenges faced by younger generations.
“While parents volition people person galore reasons for deciding connected the timing and spacing of their children, it is apt that existent cost-of-living pressures, with rising lodging and childcare expenses, are besides shaping the situation successful which this radical is making fertility decisions.”
Experts accidental the authorities could present immoderate policies to help.
"The authorities could instrumentality contiguous interventions... specified arsenic offering longer paid parental leave, much backing for childcare for moving parents and much backing for fertility treatments successful the NHS,” said Prof Bassel H. Al Wattar, from Anglia Ruskin University.
But policies to promote radical to person much children, specified arsenic loans oregon taxation incentives, "are not lone costly but person constricted grounds they volition rise the wide fertility rate", said Melinda Mills, a prof of demography and colonisation wellness astatine the University of Oxford.
The astir fashionable day for giving commencement successful 2023 was 28 September, which has been among the apical 10 astir fashionable commencement dates for respective years.
Boxing Day is the time babies are slightest apt to beryllium calved connected successful England and Wales. It's held that rubric for 11 years successful a row.