Typical sizes of option pools are 10-20%, of which earlier employees tend to get more than later ones. To be person 20 and get more than 1% is unlikely, at least as an IC. I'd recommend reading this guide on equity compensation: https://github.com/jlevy/og-equity-compensation
They outline typical equity levels under "Typical Employee Equity Levels"
They outline typical equity levels under "Typical Employee Equity Levels"