10%, according to 1 Samuel 8. Also, democracy is ridiculed and income redistribution is shown to be tyranny.
14 And he will take the best of your fields, your vineyards, and your olive groves, and give them to his servants. 15 He will take a tenth of your grain and your vintage, and give it to his officers and servants. 16 And he will take your male servants, your female servants, your finest young men, and your donkeys, and put them to his work. 17 He will take a tenth of your sheep. And you will be his servants. 18 And you will cry out in that day because of your king whom you have chosen for yourselves, and the Lord will not hear you in that day.”