Assertion: pyramid | /r/HasAspect | vertical sides
Facets:
value: with relatively broad peak
type: OTHER
value: nearly
type: OTHER
value: with a broad base
type: OTHER
Source sentences:
text: The population pyramid that represents Stage 3 in the demographic transition has nearly vertical sides, with a broad base and relatively broad peak, reflecting reduced fertility, reduced childhood mortality, and increased survival; the older age categories make up a larger proportion of the population than in earlier stages, and the size of the population stabilizes.