According to researchers, kids born to parents in former East Germany between 1991 and 1993 were at least 50 per cent more likely to become criminals as they grew up.
The possible reason behind the trend was that the sudden collapse of the Communist regime created uncertainty about starting families, and led to a huge drop in the birth rate, they said.
The study noted that women who had children were "younger, less educated and more likely to be unmarried mothers."
They suggest that the parents of the children born immediately after re-unification were less likely to have good parenting skills, 'The Telegraph' reported.
Also Read
"Our results seem to confirm that parental selection may be the best predictor of future criminality," researchers said.
From the age of eight onwards, the children of this generation were far more likely to be arrested by the police, the researchers found.
They are also over-represented in the total criminal population by more than two-thirds.
Researchers also found that the children were no more likely than Westerners to argue or fight with their parents - but were less likely to report feeling loved.
"This indicates that parents who decided to have children at time of great economic uncertainties may have been worse parents who did not develop the appropriate emotional connection with their children," the researchers said.