The graphs illustrate information concerning smartphone ownership as a percentage of residents in a country from 2000 to 2010, and by level of education for the years 2000 and 2010.
Overall, there was a gradual increase in smartphone ownership over the years. Moreover, the percentage of smartphone ownership had the similar proportion with level of education at the end years. Then, both had also the same lowest percentages in the first year.
Initially, in 2000, 40% of population had a smartphone, and this percentage grew modestly throughout the period given. This figure increased by 7% to 13% for every two years, reaching nearly 85% in the final year.
On the other hand, smartphone ownership by eduation level, although doctorate degree had the highest portion, it reached the smallest increased rate at 15% from 75% in 2002 to 90% in 2010. In contrast, no high school cettificate had the smallest proportion about 15% and 45% in these years among all categories. Then, high school graduate had the bigger rate increased at 30% from 30% in 2000 to 60% in 2010.