For an Australian student visa from Nigeria, you need: (1) Bank statements showing tuition fees + AUD $21,041 living costs held for 3+ months; (2) Source of funds documentation — salary slips, business revenue, property ownership; (3) Parental bank statements if parent is the sponsor, with a signed sponsor letter; (4) Avoid large recent deposits — Nigerian banking documentation is closely reviewed; (5) GTBank, Zenith Bank, First Bank, Access Bank statements are commonly accepted. For large fund amounts, a letter from the bank explaining fund history is advisable. Work with a MARA-registered agent for complex financial situations.