The bar charts illustrate the average years of schooling, scientists and technicians per 1000 people and also the participation levels in research and development in developing and industrialised countries during 1980 and 1990.
The three bar charts show average years of schooling, numbers of scientists and technicians, and research and development spending in developing and developed countries. Figures are given for 1980 and 1990.
The bar charts compare the average years of schooling, the number of scientists and technicians and the amount of money spent on research and development in developing and industrialized countries in 1980 and 1990.
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