"While the number of deaths from natural causes of persons aged 1 to 59 years has increased in the week ending 23 June 2020, the number of deaths of persons 60 years and older has become significantly higher than predicted.
"Between 6 May and 23 June 2020, there has been an excess of 4 039 deaths from natural causes of persons," said the SAMRC.
Deaths from natural causes in the City of Cape Town, Buffalo and Nelson Mandela Bay metros also continued increasing in the week up to 23 June 2020.
"Since 6 May, an excess of 2 167 deaths from natural causes has been experienced in Cape Town, 202 in Buffalo and 455 in Nelson Mandela Bay.
"Western Cape, Eastern Cape, Gauteng and KwaZulu-Natal have all shown increases in natural deaths and are experiencing an excess number of natural deaths," the SAMRC said.