South Africa Government Bonds – Yields Curve Residual Maturity Yield Bond Price – with different Coupon Rates 7% 25 years 12.840% 56.74 20 years 12.810% 58.72 12 years 12.290% 67.67 Click to see full answer. Besides, what is the current bond rate in South Africa?In the long-term, the South Africa Interest Rate is projected to trend around 6.00 percent in 2020, according to our econometric models.Secondly, what is the prime interest rate in South Africa 2019? South Africa Prime Lending Rate. South Africa’s Prime Lending Rate data was reported at 9.750 % pa in Jan 2020. This records a decrease from the previous number of 10.000 % pa for Dec 2019. In respect to this, what is the current bond interest rate? 2.22 percent How does a bond work in South Africa?On a bond, the capital amount to be repaid to the lender is known as the principal. The interest rate on the bond is the coupon. And then there is its expiry date, on which the principal must be repaid. Bonds are issued by governments to raise money as an alternative to increasing taxes on the populace.