I believe the answer is: Developing nations
People in developing nations tend to have higher likelihood of being involved in sexual relationship without proper protection.
Many of individuals in developing nations also have very little awareness on the correlation between having more children with larger economic difficulties.
Both of these factors contributed to the increase of population.
Role Ambiguity should be the answer to this one. Have a good rest of your day.
It is the moral decision you make depending on the situation, or what respectful and considerate to someone elses desires action you make.
1.The Negev storms, 2.The first Aliya, 3.The Dreyfus Affair, 4.Theodore Herzl