The bar graph reflects the ratio of individuals living alone across five distinct age categories in the United States between 1850 and 2000.
Overall, the percentage tend to increased significantly through this period beginned with the lowest ratio in 1850 and ended up when it reached the peak in 2000. The age of 55-64 was always accounted for the largest portion throughout all the times
From 1850 to 1900, the fluctuate was grown quite slowly when it only moved within two to nearly four percents with the largest number of 55-64 age group. In addition, the 27-36 group was also noticed first time in the last period but it accounted for the small number.
Compared to previous time, the stage between 1950 and 2000 witnessed a faster growth in both of the numbers of age group as well as its rate. It was started by the develop of 55-64 section in 1950, all of the catogories also increased quickly over four percents after that when the 47-54 aspect got 13 percents and this number of 55-64 group was even higher about 17 percents in 2000.
