There has been much discussion about maternity leave after new Yahoo chief executive Marissa Mayer said she was pregnant and the board knew this when they appointed her to the head of the struggling Internet company. We contacted the Center for Economic and Policy Research for a look at how United States' parental leave laws compared with those across the world. Here's a look at the number of weeks some countries offer two-parent families for leave across the world. The blue bars are the number of paid weeks, the red bars are the number of unpaid, and the total number of weeks available are in green. What do you think?