The chart below shows the percentage of the total US population aged 65 and over between 1900 and 2000. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The provided bar graph shows the proportion of American elderly citizens who are above the

age

of 65 over a span of 100

years

from 1900 to 2000.

According to

the graph, there were three

age

categories: 65-74, 75-84, and 85+.

Overall

, after a thorough analysis of the given chart, it can be plainly viewed that

while

the percentage of those over 85

years

was progressively increasing over the period, the 75-84

age

group went through severe variations in the same period . In the beginning, regarding the +85 category, it went through a moderate upsurge and hit 1.2 per cent and 1.5% in 1990 and 2000,respectively. In 1990, people over 85

years

old were a minority and scored only 0.2% of the total population in 1900, 1910, and 1930, equally.

Furthermore

, moving to the 75-84

age

group,

according to

the provided data,

this

category experienced multiple fluctuations over the

years

. In 2000, the percentage increased mildly to 4.4% , after undergoing a moderate plummet to 3% in 1970.

Finally

, it is

also

worth noticing that the 65-74 category witnessed a sharp incline to 7.3% in the year 1990, after hitting a free fall to 6.5 per cent in 2000.