The answer is:
Stage 2: High birth rates, decline in death rates, increased heath services but limited family planning options.
Stage 3: Low birth rates, low death rates, higher quality of health services and family planning options.
Stage 4: Lowest level of birth and death rates, population slightly declines, most advanced level of society.
This stages correspond to the Demographic Transition Model, which is based on historical population trends of 2 demographic characteristics (birth and death rates).
In Stage 2, the introduction of modern medicine decreases the death rate while, due to limited family planning options the birth rates remain high. Usually corresponds to the least developed countries.
In Stage 3 birth rate starts to decrease as there are better family planning options. Corresponds to more developed countries.
In Stage 4 the population stabilizes. It corresponds to most developed countries (strong economy, high level of education, good healthcare system.