Answer :
To say a country’s birth rate is increasing is to mean it is rising in numbers. This would mean that the country’s population would be larger as the numbers go up.
Answer:
This means that population is increasing in younger people. This means there would be a lot of those people. Think of the population pyramid, and how, lets say, that there are more 30-50 age people then 50-100 or 0-30. This really means if the birth rate increases, that there will be more population, and more population of that age.
Here's an example that's somewhat close to my answer:
