Question

which age groups experienced growth in their percentage of the u.s. population from 1900 to 2020, and which experienced a decline?

growing proportion of the u.s. population

declining proportion of the u.s. population

Explanation:

Compare the percentages for each age group between 1900 and 2020

• Under 18: Decreased from \(41\%\) to \(22\%\) (Decline)
• 18–44: Decreased from \(42\%\) to \(36\%\) (Decline)
• 45–64: Increased from \(14\%\) to \(25\%\) (Growth)
• 65+: Increased from \(4\%\) to \(17\%\) (Growth)

Categorize the groups into growing and declining proportions

• Growing Proportion: 45–64, 65+
• Declining Proportion: Under 18, 18–44

Answer:

Growing Proportion of the U.S. Population

• 45–64
• 65+

Declining Proportion of the U.S. Population

• Under 18
• 18–44