Raisi replaces moderate president Hassan Rouhani, whose landmark achievement was the 2015 nuclear agreement between Iran and six major powers.
Rouhani's comments come as officials in his government have appeared rudderless in recent months amid a series of crises ranging from the coronavirus pandemic to drought-fuelled public protests.
Russian President Vladimir Putin too sounded critical of the US decision, saying the move may destabilise the Gulf region.
The following is a selection of reactions from around the globe to Trump's biggest foreign policy move since taking office.
President Hassan Rouhani also said Iran could resume uranium enrichment without limit in response to Trump's announcement.
Trump said the 2015 agreement, which included Germany, France and Britain, was a "horrible one-sided deal that should never ever have been made."
Iran president Hassan Rouhani warns of 'problems' as US President Donald Trump's nuclear deal decision looms
Iran's president today warned the country could face 'some problems' ahead of President Donald Trump's decision on whether to pull out of its nuclear deal with world powers.
Rouhani urged Muslims to treat all human beings with love and affection in the true spirit of Islam.
On his historic visit to Hyderabad, the president expressed Iran’s intentions to maintain friendly relations with not only Islamic countries but others as well.
Iran's president said on Thursday that his country was ready to help promote dialogue as a way to end bloodshed in countries like Afghanistan, Iraq, Syria and Yemen.
The visiting dignitary later left for Taj Krishna, a five-star hotel in Banjara Hills, where he will stay over next two days.
Iran President Hassan Rouhani will address the gathering during Friday prayers Mecca Masjid on February 16.
Rouhani said conservatives should not block reformist candidates from future elections and that there should be greater trust in the people of the Islamic republic.
Iran's President Hassan Rouhani tells Turkish counterpart Recep Tayyip Erdogan 'protests to end in a few days': Ankara
Iran's President Hassan Rouhani held a telephone call with Turkish counterpart Recep Tayyip Erdogan, and hoped that the protests would end in a few days.
Tens of thousands gathered in cities across Iran on Wednesday in a massive show of support for the regime after days of deadly unrest, state television showed.