If you're new to Mastodon (and the Fediverse) you might have a lot of questions:
How many followers do I have on Twitter compared to Mastodon? 8,583 followers on Twitter, 1,324 on Mastodon
Are you more notable on Mastodon than on Twitter? No, I'm more notable on Twitter.
Did you do anything special to make people want to interact with you? No.
Is the difference always consistent? Yes, I always get more interaction on Mastodon -- even on small accounts with small instances.
There have been some blue checks on Twitter who claim there's no audience on the Fediverse, so don't bother joining.
However:
1. They're blue checks on Twitter, there's no blue checks on Mastodon
2. Most blue checks haven't actually tried