The graph below shows the population change between 1940 and 2000 in three different counties in the U.S. state of Oregon.
A breakdown of the population growth engaged in three different countries of Oregon from 1940 to 2000 is illustrated in the line graph. Overall, While Washington was the favorite place for majority dwellers in Oregon, Yamhill and Columbia had fairly similar population rate. All figures shows an upward trend.
To begin, in 1940, majority people prefer to live in Washington. The population was by far the highest over the following period. 75,000 people was recorded in Washington. Yamhill and Columbia's population stood at a fairly similar level, with 30,000. By 2000, growth in number of population had seen a significant changes. Interestingly, Thus the gap between the population of three countries had widened out.While the proportion of Columbia's population had fallen back to the 1940 figure of washington, amounting for 75,000, population in Yamhill witnessed a slight increase, with 90,000.
Over the following period, all figures experienced an increase. The number of population in Washington was the highest rate, rising from over 120,000 in 1970 and reaching a high of above 240,000 in 2000. Meanwhile, the proportion of population in Columbia and Yamhill had a less marked gap, accounting for 15,000.