Ever bought a new pair of shoes after seeing an influencer promote them on Instagram? Or ever placed an order after seeing a make-up dupe review from a content creator on TikTok? Perhaps you've relied on independent review sites to recommend your latest electronic device?

These are all forms of affiliate marketing.

Affiliate marketing is more prominent and diverse than ever, in fact over 80% of brands use it.

Using data from Similarweb Digital Marketing Intelligence, we've rounded up the top affiliate marketing statistics you need to know.