The bar chart gives the data of the total population aged 65 and over from 1900 to 2000 in the US.
Overall, the three groups in the total US population had a dramatic increase during a decade. Especially, the figure for aged between 65 and 74 was the highest in the US.
First, the number of US citizens aged 65-74 accounted for 2.9 percent in 1900 and continued to grow minimally at 3.3 percent in 1920. Afterward, there was a slight rise of 3.8 percent in the group aged 65-74 in the US population in 1930 and increased to 5.6 percent in 1950. Subsequently, it experienced a significant remained stable at 3.8 percent in 1960 and 1970, before reaching a peak of 7.3 percent in 1990.
Moreover, the percentage of the group aged 75-84 was higher than that over 85. While the aged group 75 to 84 started at 1 percent in 1900, the aged group over 85 only 0.2 percent. Moreover, the percentage of the group aged 75-84 was higher than that over 85. While the age group 75 to 84 started at 1 percent in 1900, the age group over 85 only hit 0.2 percent.