Life Expectancy Conundrum?
According to a recent study, the life expectancy of Indians has increased by 5 years in the last decade. However, this increase is not uniform across all age groups. Analyze the implications of this trend on the age distribution of the Indian population.
1 Answer
📌 CONCEPT: An increase in life expectancy can affect the age distribution of the Indian population, leading to changes in the population pyramid shape.
📐 RULE / FORMULA: The concept of a population pyramid is essential here, showing the proportion of people in different age groups.
💡 WORKED EXAMPLE: Suppose the initial age distribution of Indians was 10% under 20, 20% between 20-40, 40% between 40-60, and 30% above 60. If the life expectancy increases by 5 years, the distribution might shift to 5% under 20, 25% between 20-40, 40% between 40-65, and 30% above 65.
⚠️ COMMON MISTAKE: Students might overlook the shift in the population pyramid's shape due to the increase in life expectancy, leading to incorrect conclusions about the age distribution.
07 Jun 26
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