The chart shows the results of surveys in one African country asking teenagers the main reasons for using their phones between 2016 and 2019.

The diagrams below illustrate the main reasons why teenagers in an African country used their phones from 2016 to 2019,

according to

the surveys.

Overall

, when having already found the mean, most teenagers spend time with their devices on social networks

such

as Facebook, Instagram and Google,

on the other hand

, phone calls were rarely used in the country in the early but they gradually became accessed in the following periods.

Firstly

, in 2016, social networks occupied half of the chart with 50% and email was a quarter,

besides

that, the other 25 per cent were the areas of digital cameras and phone calls.

Additionally

, a year later, in 2017, 3 per cent of the first 2 usages were shifted into the

last

one.

Secondly

, the results showed that the crowds started using cameras and online pieces of stuff increasingly

while

other reasons were devalued by almost 5% in 2018 when compared to the previous session,

furthermore

, the change was obvious in 2019 since both social networks and digital cameras were raised as main factors.