Franchise Statistics Bureau · 2021-12
How many reviews does Tripadvisor host?
Figures are published by third parties, compiled as-is, and may change. We do not independently verify the underlying data — check the source before acting on it. For reference only; not legal, tax, or investment advice.
1B+
reviews & opinions
As of December 31, 2021, Tripadvisor featured more than 1 billion reviews and opinions on nearly 8 million hotels and other accommodations, restaurants, experiences, airlines and cruises.
Tripadvisor says it uses content guidelines, computer algorithms and human moderators to identify and remove inappropriate, unreliable or deceptive content (Tripadvisor Form 10-K, SEC).
What this figure measures
The figure is Tripadvisor's own count of reviews and opinions on its platform as of December 31, 2021, attached to nearly 8 million hotels and other accommodations, restaurants, experiences, airlines and cruises. It is a cumulative total built up since Tripadvisor.com launched in 2000, not the number added during 2021. Elsewhere in the filing the company describes this content as traveler reviews and other traveler-generated content such as photos.
How it was produced
The total is a company disclosure in Tripadvisor, Inc.'s annual report on Form 10-K for fiscal 2021, filed with the US Securities and Exchange Commission, and the filing does not publish a methodology for how reviews and opinions are counted.
What it does not tell you
The count is self-reported and describes a travel platform, so it says nothing about review volumes in other sectors. It combines reviews with other opinions and user content rather than counting written reviews alone. The filing says the company uses content guidelines, computer algorithms and human moderators to identify and remove inappropriate, unreliable or deceptive content, so the total reflects what remains after moderation. It dates from the end of 2021.
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