He said Nana Addo has lost the fight against corruption in the country.
The NDC flagbearer in a message to Ghanaians titled: 'Be Cautious, Be Bold and Have Hope!' on the birthday anniversary of Ghana's first President, Osagyefo Dr. Kwame Nkrumah said he "was an inspiration to many countries around the world."
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Commenting on the fight against corruption, Mahama said the government has failed woefully.
"The Akufo-Addo government has not got a track record; not in healthcare, we built hospitals, they have none; not in tertiary education, we built universities, they have none; not in the roads sector, we built roads, they have declared a year of roads without roads; not in fighting corruption, we fought corruption head-on; President Akufo-Addo fights those who fight corruption in his government," he said.
Using the Auditor General, Daniel Domelevo, who was asked to proceed on leave, said "The case of Auditor-General Daniel Domelevo is proof that corruption is fighting the president."