Males from poor backgrounds are twice as more likely to be single of their early 40s than these from wealthy households, analysis suggests.
The Institute for Fiscal Research (IFS) additionally discovered this group have been more likely to earn much less and marry girls with decrease incomes.
It mentioned the developments made poverty extra more likely to proceed from one technology to the subsequent and scale back social mobility.
The federal government mentioned it wished to “construct an economic system that works for everybody”.
Since coming to energy, Prime Minister Theresa Might has promised to do extra for households who’re “nearly managing”.
Amongst different issues, she has mentioned it is important to sort out the shorter life expectancy for these born poor, and the decrease probabilities of white working class boys going to college.
Nevertheless, with worth will increase outstripping wages because the Brexit vote, many employees are getting poorer on common in actual phrases.
Furthermore, common actual wages within the UK are still lower than they have been earlier than the monetary disaster 10 years in the past.
The IFS primarily based its findings on the latest long-term examine obtainable, which surveyed individuals born in 1970 and adopted them as they acquired older.
It discovered that greater than a 3rd of males aged 42 from the poorest fifth of households didn’t stay with a associate in 2012. That in contrast with solely a seventh from high-income backgrounds.
It mentioned males from deprived backgrounds skilled decrease charges of marriage and better charges of divorce.
It additionally checked out males in . It discovered that the companions of these from richer backgrounds earned greater than 70% greater than the companions of males from poorer households.
Chris Belfield, a analysis economist on the IFS, mentioned: “In addition to having larger earnings, these from richer households usually tend to be in work, extra more likely to have a associate and extra more likely to have a higher-earning associate than these from much less well-off backgrounds.
“And all these inequalities have been widening over time.”
The IFS mentioned it was “well-known” that the sons of richer dad and mom tended to go on to earn extra.
Nevertheless, it mentioned the earnings hole with these from much less well-off backgrounds was widening.
In 2012, employed 42-year-old males whose dad and mom have been among the many richest fifth of households earned on common 88% greater than these from the poorest households, it mentioned. Again in 2000 the determine was solely 47%.
IFS director Paul Johnson, instructed the BBC that social mobility additionally appeared to have dropped over time.
He mentioned the connection between the incomes of individuals born within the early 1970s and that of their dad and mom was stronger than for individuals born within the late 1950s.
That, mixed with the truth that “you are extra more likely to marry somebody who’s extra such as you… means social mobility is even decrease and it is one other factor that is decreasing social mobility over time as a result of this relationship between your dad and mom’ incomes and your associate’s earnings has grown over time”.
Nevertheless, a Treasury spokesman mentioned that total, revenue inequality had fallen and that extra individuals have been in work than ever earlier than.
He added: “We need to construct an economic system that works for everybody no matter their background.
“That is why we’re serving to individuals hold extra of what they earn by taking 1.three million individuals out of tax and rising the Nationwide Dwelling Wage which is price an additional £1,400 a 12 months.”