A country with a high rate of population growth took measures to reduce it. The Figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them:

Interpretations:
"B" is earlier pyramid and shows stabilised growth rate.
"B" is more recent showing that population is very young.
"A" is the earlier pyramid and no change has occurred in the growth rate.
"A" is more recent and shows slight reduction in the growth rate.
The age-sex pyramid of population B has a greater number of young individuals representing the earlier population. Pyramid A has a slight reduction, represented as a narrow base compared to B, hence represents the newer stable population.
Therefore, 'A is more recent and shows a slight reduction in the growth rate'.
Hence, the correct option is (d).