The graph illustrates the percentages of adolescent vegetarians in the UK from 1960 to 2020. Overall, the proportions of vegetable diet increased consistently in the first part, then showed a sharp decline in the second
In 1970, only a small percentage of adolescents (about 1 per cent) were vegetarian. There was then a steep increase until 1990, when over 15 per cent were following a vegetarian diet. Thereafter percentage fell steadily
The graph illustrates how UK adolescents tended to be on a vegetarian diet for 6 decades. It seems that, through the past sixty years, there has been significant variation among young people in the UK.