"Squid Game" was the keyword that had the highest maximum monthly search volume in 2021, with 101 million online searches worldwide in its peak month. The second most trending keyword based on its peak search volume was "Christian Eriksen." Eriksen is a Danish football player who experienced cardiac arrest during the Euro 2020 Denmark against Finland match, on June 12, 2021. Another popular keyword search on Google was Queen Elisabeth's late husband "Prince Phillip," with a peak of 37.2 million searches. Another popular topic related to the British royal family was Prince Harry and Meghan Markle's interview with Oprah Winfrey in March 2021. This was the first big interview after the couple decided to step back as senior royals, and queries on the topic went up to 1.2 million searches on Google in 2021.
Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume
(in million searches)
Characteristic
Maximum monthly search volume in million searches
Squid Game
101
Christian Eriksen
37.2
Prince Phillip
37.2
Bridgerton
30.4
England vs Italy
24.9
Hurricane Ida
16.6
Emma Raducanu
16.6
Bucks vs Suns
13.6
Olympics 2020 medals
11.1
Met Gala 2021
11.1
Brazil vs Argentina
9.1
Shiba Inu Coin
7.5
DMX update
5
0102030405060708090100110120
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Semrush. (December 6, 2021). Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume (in million searches) [Graph]. In Statista. Retrieved May 04, 2025, from https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/
Semrush. "Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume (in million searches)." Chart. December 6, 2021. Statista. Accessed May 04, 2025. https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/
Semrush. (2021). Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume (in million searches). Statista. Statista Inc.. Accessed: May 04, 2025. https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/
Semrush. "Most Trending Keywords on Google Search Worldwide in 2021, by Maximum Monthly Search Volume (in Million Searches)." Statista, Statista Inc., 6 Dec 2021, https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/
Semrush, Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume (in million searches) Statista, https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/ (last visited May 04, 2025)
Most trending keywords on Google search worldwide in 2021, by maximum monthly search volume (in million searches) [Graph], Semrush, December 6, 2021. [Online]. Available: https://www.statista.com/statistics/267793/fastest-growing-google-search-keywords/
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