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The image is a bar chart portraying the "Percent of Total Population Age 65 and Over: 1900 to 2000." Each bar represents a decade from 1900 to 2000 and is divided into three age groups: 65-74, 75-84, and 85+. Data represented in percentages for each decade and age group are as follows: 1900 (65-74: 2.9, 75-84: 1.0, 85+: 0.2), 1910 (3.0, 1.1, 0.2), 1920 (3.3, 1.2, 0.3), 1930 (3.8, 1.3, 0.4), 1940 (4.8, 2.2, 0.5), 1950 (5.6, 2.6, 0.7), 1960 (6.1, 3.0, 0.9), 1970 (6.9, 3.4, 1.0), 1980 (7.3, 4.0, 1.2), 1990 (6.5, 4.4, 1.5), 2000 (6.5, 4.4, 1.5). The total percentages for each decade are listed above the bars, from 1900 (4.1) to 2000 (12.4).
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Overall, the proportion of people aged 65-74 increased steadily throughout the period before declining slightly in the final decade. Meanwhile, the percentages of those aged 75-84 and 85 and over also rose gradually over the century. The 65-74 age group remained the largest throughout the period, whereas the 85+ group was consistently the smallest.
In 1900, the percentage of people aged 65-74 stood at 2.9%. It then increased steadily over the following 90 years, reaching a peak of 7.3% in 1990 before falling slightly to 6.5% in 2000.
The proportion of people aged 75-84 also rose gradually, increasing from 1.0% in 1900 to 4.4% in 2000, making it the second-largest age group. By contrast, the percentage of people aged 85 and over grew more slowly, rising from 0.2% in 1900 to 1.5% in 2000. Despite this increase, it remained the smallest age group throughout the period.
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