The more personal and business tax increases, the more "creative" people and businesses get in trying to pay as little as possible. the increase in tax will in all likelihood result in less tax collected. As someone mentioned previously, the only sure way of reliably getting more tax revenue is via VAT increase and or other levies that one cannot avoid. But as things get more expensive so less of the service will be consumed. Its a vicious circle, South African economy is on a downward spiral with no relief in sight, with the current leadership in charge.