I would assume the number includes all unique seller accounts as it doesn’t specify a constraint on seller activity or similar. In fact, (less reputable) data

I would assume the number includes all unique seller accounts as it doesn’t specify a constraint on seller activity or similar. In fact, (less reputable) data from marketplace research claims a far higher number in 2021 of over 6 million. https://www.marketplacepulse.com/articles/amazon-reaches-six-million-third-party-sellers https://www.marketplacepulse.com/articles/amazon-reaches-six...