The bar chart illustrates the number of social networks the Canadian population use. The data is presented in two periods, 2014 and 2015.

Overall, the majority of Internet users make use of one networking site. The number of people that don't use any site remains approximately the same in both years. 

We can clearly see that there is a sharp decrease in regards to the percentage of Canadian inhabitants connecting in one site. In 2014, 36% of the population used only one site. In contrast, in 2015, the population using them fell drastically by 28%.

Moreover, according to the graph, we can see that the least amount of people use five sites. However, it is noticeable there is an increase of 50% of the users in 2015 when compared to 2014. 

In contrast, the number of users connecting in two, three or four sites grew slightly in a period of one year. In 2014, 23% used two sites, 12% used three and a 5% used four of them. In 2015, the percentage of those who used two increased slightly by 1%. The number of the population using three and four sites rose markedly, growing 4% and 3% respectively.