The chart provides data on the percentage of how much people at the age of 65 and over lived in the USA from 1900 to 2000.
Generally speaking, the population of the old increased from 1900 to 2000. What is more, people aged 65-74 dominated over other age groups.
Going back to the details, the old were 4.1% of total population of the USA in 1900. Within the years, the percentage climbed slightly, hitting its peak in 1990 with 12.6% in total. Thereafter, it plummeted a little to 12.4% in 2000. As for people aged 65 to 74, their statistics were upsurging progressively from 2.9% to 5.6% in 1900 and 1950, respectively. Consequently, it remained stable for two decades at 6.1%. The percentage of people aged from 75 to 84 was the most moderate, increasing every decade for approximately from 0.1% to 0.5%. As for the old aged 85+, their percentage was the least large in total population. From 1900 to 1970, they were less than 1% out of all people in the USA. However, they started to rise, hitting a through at 1.5% in 2000.