A toll dated just two days earlier had put the death toll at 4,493 out of 8,997 cases.
Liberia is the worst-hit of all, with 4,262 cases and 2,484 deaths, as of October 13.
Sierra Leone meanwhile counted 3,410 cases as of October 14, 1,200 of whom had died.
Guinea, where the epidemic originated in December, had seen 1,519 cases and 862 deaths as of October 14.
The second group counts countries with far fewer cases, including Senegal, which was declared Ebola-free by the WHO Friday.
Health workers continue to pay a heavy price for their efforts with 239 deaths out of 423 cases across the countries.
Ebola death toll soars to 4,555 out of 9,216 cases: WHO
In the Democratic Republic of Congo, hit by a separate strain of Ebola from the one raging in west Africa, the WHO said there have been 68 cases and 49 deaths up to October 9.
Dr. Isabelle Nuttall, director of the World Health Organization's global capacities, alert and response, said new numbers show the outbreak is still hitting health workers hard despite precautions — with 2,700 medical workers infected and 236 dead — mainly because Ebola victims are most contagious around the time they die.
It will take months before the outbreak is stopped, she said, adding that WHO has identified 14 African countries where being prepared and containing Ebola is a top priority. Those countries are Benin, Cameroon, Central African Republic, Democratic Republic of the Congo, Gambia, Ghana, Guinea-Bissau, Ivory Coast, Mali, Mauritania, Nigeria, Senegal, South Sudan and Togo.
UN: Ebola death toll rising to 4,500 this week - US News