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IELTS Writing
Task 1 Essentials
Trend verbs

Trend verbs

Common verbs for describing changes over time

Below are all the verbs that you'll ever need to write a Task 1 answer.

Going up

increaseBetween 1995 and 2000, the amount of money spent on clothing increased from $90 billion to $120 billion.
riseThe number of children attending summer camps rose from 5000 in 2010 to 7500 in 2020.
growThe urban population of India grew from 300 million in 2000 to 420 million in 2020.
climbUniversity tuition fees climbed from $2000 per semester in 2010 to $3000 in 2020.
jump/leapThe consumption of organic food jumped from 10% of the population in 2012, to 35% in 2022.
surgeOnline gamers surged from 100 million in 2010 to 2.7 billion in 2021.
rocketFrom 2010 to 2020, smartphone use in Africa rocketed from 10% to 75% of the population.

jump/leap, surge, rocket = to rise suddenly by a large amount (so they don't take adverbs like "sharply" and "significantly")

Going down

decreaseBetween 2010 and 2020, the rate of smoking in adults decreased from 20% to 14%.
fallThe percentage of paper book sales fell from 75% in 2005 to 45% in 2015.
dropParticipation in outdoor recreational activities dropped slightly from 78% in 2000 to 75% in 2020.
declineThe number of endangered species in the Amazon declined from 3000 in 2000 to 2500 in 2022.
dipIn 2001, oil prices dipped to $90 per barrel.
slumpThe amount of daily physical exercise among teenagers drastically slumped from 60 minutes in 2010 to 30 minutes in 2015.
plummetIn 2020, the number of international tourists in Europe plummeted from 100 million to 20 million.
plungeIn 2021, the number of concert attendees plunged from 200,000 to 50,000.

slump, plummet, plunge = to decrease suddenly and quickly (so they don't take adverbs like "sharply" and "significantly")

Staying the same

Verb phraseExample
stay/remain stableFrom 2020 to 2023, the population of endangered species in the nature reserve stayed stable at around 500 individuals.
stay/remain the sameThe average class size in the local school has remained the same at 30 students per class since 2015.
stay/remain unchangedFor the past decade, the unemployment rate in the country has stayed unchanged at approximately 5%.
stay/remain constantThe amount of time that people in this city spent on daily commuting remained constant at an average of one hour per day from 2010 to 2020.
stay/remain steadyThroughout 2022, the inflation rate in Australia remained steady at 2%.
stay/remain staticFrom 2017 to 2022, birth rates in Germany stayed static at 1.5 children per woman.

See level off and stabilize at Special trends

Changing continuously

fluctuateThe population of New York City fluctuated between 8.4 million and 8.7 million from 2010 to 2020.
varyThe annual rainfall in Singapore varies between 2,000mm and 3,000mm.
oscillateThe rate of unemployment in Major City oscillated from 5.2% to 7.8% throughout 2023.

Starting and ending

start/begingThe percentage of smartphone users in Japan began (the period) at 30%.
end/finishThe unemployment rate in the country ended (the period) at 6%.