Maturing of Europe additionally called turning gray of Europe, alludes to a statistic procedure in Europe highlighted by a decrease in richness, higher future, and an abatement in death rate among the European populaces. Higher future and low birth rates give to the adjustment of Europe's populace pyramid shape. The most significant alteration is the change towards a considerably more seasoned populace arrangement, prompting a decrease in the proportion of the working age, while the quantity of the resigned populace upgrades.
The correct answer is option B, that is, fewer births.
Aging of Europe also called greying of Europe, refers to a demographic process in Europe featured by a reduction in fertility, higher life expectancy, and a decrease in mortality rate among the European populations. Higher life expectancy and low birth rates donate to the modification of Europe's population pyramid shape.
The most substantial modification is the transformation towards a much older population composition, leading to a reduction in the ratio of the working age, while the number of the retired population enhances.
