What are the main sources of revenue for the government

Government revenue can be defined as the money gotten by the government to meet its expenditure.
WAYS GOVERNMENT GETS REVENUE

Taxes from citizens: These may be directly or indirectly, direct in the sense that you are levied directly from your income, And indirectly you are levied from the goods or services we buy.

Royalty and rents: This are usually paid by big companies like mining or sometimes oil company.

Grants: these usually occurs when a foreign body give assistance to underdeveloped country.

Borrowing: This are loans from foreign governments to the government needing the money