World population projections show that the number of people 60 years of age and older is expected to __________ by 2050.
A) decline by 1 billion
B) double to 4 billion
C) reach 2 billion
D) triple to 3 billion
E) reach 6 billion

Question

Quizplus · Accepted Answer

The world population of people aged 60 and older is projected to reach 2 billion by 2050, according to United Nations estimates.

World Population Projections Show That the Number of People 60