Newly elected Vice-President Saulos Chilima was also sworn in at the ceremony presided over by Chief Justice Andrew Nyirenda.
In his speech, Dr Chakwera said he will work towards uniting Malawi, despite that not everyone voted for him, adding that transforming Malawi is not on his agenda.
Madalitso Phiri witnessed the ceremony and here is the report.
Meanwhile, partners in the Tonse Alliance say it is their hope that the administration of government will improve under the leadership of Dr. Lazarus Chakwera.
Professor John Chisi of Umodzi party and Mark Katsonga Phiri of Peoples Progressive Movement cited corruption and abuse of public resources as some of the evils the new government must work on to develop the nation.