Adolescence /ˌæd

rate /reɪt/ noun [ C ] MEASURE
1. the speed at which something happens or changes, or the amount or number of times it happens or changes in a particular period
Although she's recovering from her illness, her rate of progress is quite slow.
I told my assistants to work at their own rate. The taxi was going at a tremendous rate.
the growth/inflation/mortality/unemployment, etc. rate The drug has a high success/failure rate.
rate /reɪt/ noun [ C ] PAYMENT
2. an amount or level of payment
We agreed a rate with the painter before he started work.
What's the going (= standard) rate for this type of work?
Do you pay your mortgage on a fixed or variable rate?
statistic /stəˈtɪs.tɪk/ noun
1. statistics
a. [ plural ] ( informal stats ) information based on a study of the number of times something happens or is present, or other numerical facts
Statistics show/suggest that women live longer than men.
According to official statistics, the Japanese work longer hours than workers in most other industrialized countries.
b. [ U ] the science of using information discovered from studying numbers
2. [ C ] a fact in the form of a number that shows information about something
The city's most shocking statistic is its high infant mortality rate.
trend /trend/ noun [ C ]
1. a general development or change in a situation or in the way that people are behaving
Surveys show a trend away from home-ownership and towards rented accommodation.
There's been a downward/upward trend in sales in the last few years.
2. a new development in clothing, make-up, etc.
Whatever the latest fashion trend, you can be sure Nicki will be wearing it.
The trend at the moment is towards a more natural and less made-up look.