in this all of the people are saiyans and still have quirks, 80 percentage of population are saiyans and have quirks while 20 percentage of population are only saiyans and don't have quirks sometimes weak saiyans too, now we are here to watch izuku midoriya (note, low class warrior have 100 pl in birth to end of garden are 600 middle school 1,400 high school 3,000 pro heroes 6,000 middle class from birth is 400 to end of garden is 1,000 to middle school 2,600 to high school 6,000 to pro heroes 12,000 elite class in birth is 700 to end of garden 3,200 to middle school 6,200 to high school 12,400 to pro heroes 18,000 Oh and people that have quirks like all might have the multiplier like 1 percent is 1.1 while 100 percent is 100, pretty simple right?)