Certain characteristic demographic features of developing countries are:
| 1. | High fertility, high density, rapidly rising mortality rate, and very young age distribution |
| 2. | High infant mortality, low fertility, uneven population growth, and a very young age distribution |
| 3. | High mortality high density, uneven population growth, and a very old age distribution |
| 4. | High fertility, low or rapidly falling mortality rate, rapid population growth, and a very young age distribution |