Though not the wealthiest han in terms of kokudaka (the official measure of the wealth and therefore power of a han, measured in koku), Satsuma remained among the wealthiest and most powerful domains throughout the Edo period.
Meski Satsuma bukan domain terkaya dalam ukuran kokudaka (standar resmi kekuatan ekonomi sebuah han), Satsuma bertahan sebagai domain terkaya dan terkuat sepanjang periode Edo.