In the future, people may no longer be able to pay for things in shops using cash. All payments may have to be made by card or using mobile phones. Do you think this will happen one day? Why do you think some people might not be happy to give up using cash?

A quick glance at the column graph depicts what proportion of people in certain age groups feed healthily over a 6-year period from 2011 to 2016. Overall, despite some fluctuations, all three trends decreased over the

years

. It is

also

evident that individuals between 11 and 20

years

dominated the chart during the period. Taking a look at the details, in 2011 80% of teenagers consumed good food, but in the following

years

, it experienced a gradual decline reaching half of the total teenagers.

Then

it rose significantly up to approximately 65%. In terms of the age group from 21 to 30, the pattern was similar to the one of the younger generation. With only around a 3% gap in 2011, the rate of young adults plummeted exponentially to 20% in the

first

four

years

before increasing twice as much in the

last

year.

By contrast

, the percentage of 31-40 aged adults grew significantly until it dropped. To be exact, the trend that commenced from just above 30% saw a surge to nearly 65% until levelling off in

years

2013 and 2014.

However

, it did not stay stable longer and fell down to near its original trend in 2016, becoming the

last

compared to the other two age groups.