It puts the royal bride-to-be ahead of “iPhone 8” and “Hurricane Irma” in the list of top search terms.
The Manchester bombing and Grenfell Tower also featured in the top 10.
The UK election featured heavily in the list of top “What is…?” queries, with people asking about a hung Parliament and the Democratic Unionist Party.
“Bitcoin” became one of the year’s buzzwords and “What is Bitcoin?”, “How to buy Bitcoin” and “How to mine bitcoins” all appeared on trending lists, as the crypto-currency rose in value through the year.
The online lists also reflected some of the key playground trends of 2017 – including the toy known as a “fidget spinner”, which made it to number four in most searched terms, and the rise in popularity of making home-made slime, which featured in the “How to…” list.
According to Google, searches beginning in “how” increased by 150% over the last decade, hitting an all-time high in 2017.
Top trending news events included the Manchester bombing and the London Bridge attack, with the top global news trends including North Korea, the Las Vegas shooting and Catalonia’s bid for independence.
“People aren’t only using Google Search to find information about the topics that matter to them. They’re increasingly searching for ways to take action and find out how to do things – including how to donate or volunteer in moments of crisis,” said Hannah Glenny, a Google Search trends expert.
Meghan Markle also featured on the top trending “people” queries, followed by Tara Palmer-Tomkinson, who died in February. Donald Trump made it to only number six on the list.
In global search, the number one most searched term was “Hurricane Irma”, followed by “iPhone 8” and “iPhone X” in second and third place.
Google UK top trending searches of 2017:
7.13 Reasons Why
Google UK top trending ‘What is…?’ queries of 2017:
1. What is a hung Parliament?
2. What is an exit poll?
3. What is the Confederations Cup?
4. What is Bitcoin?
5. What is the Antikythera mechanism?
6. What is a pangolin?
7. What is a general election?
8. What is waterboarding?
9. What is the DUP?
10. What is Pink’s real name?
Google’s global top trending searches of 2017:
6.13 Reasons Why
10.India National Cricket Team