The bar chart illustrates worldwide cell phone sales of 3 different brands between the time span of 2010, 2015 and 2020. While, the table gives the information usage of different mobile phone features over the same period.
Overall, It is clearly seen that sales of Samsung and Xiaomi increased over the time. Meanwhile sending and receiving text became most popular in 10 years.
In 2010, Nokia sold the highest number of mobile phones which was 14 million and Xiaomi was the lowest, nearly 8 million units sold. In 2015, Samsung was the top seller with sales approximately 15 million units. Xiaomi and Nokia remained same at 10 million. In 2020, Nokia sales drastically lowest while Samsung and Xiaomi peaked, sales respectively 16 million and 15 million.
In 2010, Phone calls were the most famous feature among the 3 of them with 99 percentage. It slightly dropped over the years. Sending and receiving texts experienced dramatic change, over half portion increased from 50 percent to 95. Taking photos also observed a growth of 19 percent.