"As a result, we expect the economy will remain subdued and for fiscal consolidation to be slow, sustaining the rise in government debt in the next couple of years," Moody's said in a research report dated Oct. 29.

Finance Minister Tito Mboweni pledged on Wednesday to freeze the wages of the country's 1.3 million civil servants as part of government's plan to narrow a yawning budget deficit and bring down debt.

(Reporting by Olivia Kumwenda-Mtambo; Editing by Tim Cocks)