With many, especially single mothers, struggling to work while caring for children at home, it's also worth considering that mothers are also suffering a pension penalty - a large gap in what they can expect from their pension after having children.
The average pension pot for a 65-year-old woman in the UK is £35,800, one-fifth of that for the average 65-year-old man.
Read more: Motherhood penalty: What it is and how to avoid it
The gender pay gap of 8.9 percent is ...