Reviews are the number 1 driver of trust for people all over the world. Reputation is earned, and AI has instigated a return to this. For the first 30 years of the internet, the waters were muddied by spammers and grey-hat SEO, manipulating the search results. Now we are returning to this tried and true metric being the number 1 reason a product is bought. How many reviews are there online? Worldwide. In Total. By my calculations there are more than 5 billion reviews online worldwide . Methodology and Data Verification This is an approximate figure based on data discovered on Backlinko , where Brian Dean revealed that there were around 308 million reviews on Yelp at the start of 2025. This fugure was traced back to Yelp itself in a press release, summarising 2024. The artcile also stated hat the number was 7% higher than the year before, 2023. Yelp accounts for around 6% of all searches on the internet. So I just needed to work out what 100% was if 6% is 308 million. ...
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