The below diagram illustrate the trend of three different types of jobs namely, manufacturing, service and agriculture in which people are working in the USA from the year 1975 to 2025. Including predictions for the future.
Looking from the overall perspective, it shows that the agricultural will dramatically decrease and for the services it will significantly change and will be the highest in the future. Whereas, manufacturing has flucate,from raising to falling.
In 1975, the services had 10 millions of workers which stay steady till 1979 and in 1980 it had 40 million of labours and in the year 2025 it will be the highest of 90 millions among three sectors. The agricultural was at great height in the beginning year 1975 by having 80 millions which was the top among all 3 categories and dramatically it will keep on declining and by the year 2025 it will had 10 millions of labours.
Moreover, the manufacturing was steady from 1975 to 1979 by 10 millions and it raise in 1980 and make it upto 40 million which was the highest of manufacturing. Then, it start to keep on decreasing and become at 10 millions in the year 2025.