Single-parent families in New Zealand have fewer children than two-parent families; 56% of single-parent families have only one child and 29% have two children, compared to 38% and 40% respectively for two-parent families.
Single parents in the UK are almost twice as likely to be in low-paid jobs as other workers (39% of working single parents compared with 21% of working people nationally).
When single women seek to get pregnant intentionally in order to become single mothers by choice (or "choice moms"), they often seek an anonymous or known sperm donor.
Single-parent adoption or fostering is also sometimes an option for single adults who want to raise a family.
In addition, there is a debate on the behavioral effects of children with incarcerated parents, and how losing one or both parents to incarceration affects their academic performance and social well-being with others.
The Institute for the Study of Civil Society reports that children of single parents, after controlling for other variables like family income, are more likely to have problems.
On the other hand, the 3 areas of the world that are most likely to have non-marital childbearing are Latin America, South Africa, and Sweden.
Along with this, the areas where there are an extremely high number of children living in single parent homes include Africa, Europe, Latin America, North America, and Oceania.
Researchers show that children with no fathers are three times more likely to be unhappy, and are also more likely to engage in anti-social behavior, abuse substance and engage in juvenile deliquency. Census bureau and the National Assessment of Educational Progress to evaluate how the increase in single-parent households may have affected children's educational achievements.This is highlighted in a report published by Gingerbread, funded by Trust for London and Barrow Cadbury Trust.Countries in Asia and the Middle East are the least likely to have children raised in single parent households.There is some debate among experts as to what the important component of the family structure is, particularly in the US, centering on whether or not a complete family or the love and affection of the children's parents is more important.There are even some that argue that a single parent family is not even really a family.