Instagram, YouTube, TikTok, Facebook, LinkedIn, Pinterest, Snapchat, and X.

A mega influencer has more than 1 million followers and celebrity-level reach.

A macro influencer has around 100,000–1 million followers and broad reach.

A micro influencer usually has 10,000–100,000 followers and strong niche influence.

A nano influencer typically has 1,000–10,000 followers with highly engaged communities.

Nano, micro, macro, mega influencers, and celebrities.

An influencer is a person with an engaged audience on social media or digital platforms who can impact purchasing decisions.