The line graph depicts the information about the change of population between three counties in the America, state of Oregon from 1940 to 2000.
Having a cursory glance at the graph, the number of people in Washington in the year 1940 was 75, thousands which in the year 9070 gives swiftly up to 120,000.By the final year, the growth of population in Washington had a dramatic change and it went slightly above 240 thousands.
Moving towards Yamhill and Columbia. The population in the initial year was around 30,000. In 1970, the population of Yamhill had a negligible increase of nearly 1.5%. On the other hand in Columbia, the growth witnessed a minimal change of slightly above 30,000. In the year 2000 both had experienced a growth Yama with 90,000 Columbia with 75,000 respectively.
Overall, the population of Washington was on the peak as compared to the population of other two counties.
