The line graph illustrates the Australian teenagers ‘ junk food consumption between 1990 and 2020 .
Overall , while the popularity of hamburgers and pizza witnessed a significant growth among Australian teenagers , the figure for French fries saw an opposite trend over the period shown .
Teenagers in Australia ate french fries at around 70 times per year , which was the most common fast food in 1990 . Subsequently , there was a dramatic decrease of its figure , from 60 times in 1995 to only 40 times per year in 2015 . Finally , the figure for french fries reached the lowest point at under 10 times at the end of the period .
In terms of 2 remaining junk food , there was a significant change of their popularity . By 1990 , Australian teenagers consumed hamburgers at only 10 times , followed by pizza with 5 times per year . The number of times adolescents spent consuming increased steadily throughout the period , becoming the most consuming junk food with 90 times in 2020 . Meanwhile , the data for pizza experienced some fluctuations , before accounting for 80 times per year in the last year .