"Those in Ukraine should depart immediately via commercial or private means," the U.S. State Department said in a travel advisory on Saturday.
The agency also reminded those who chose to stay in Ukraine to exercise increased caution due to crime, civil unrest, and potential combat operations caused by potential military action from Russia.
The Biden administration ordered an evacuation of most U.S. direct-hire employees from the U.S. Embassy in Kyiv earlier in the day.
Consular services at Embassy Kyiv will be suspended on Sunday.
Several other countries including the United Kingdom, Germany, Japan, and Israel have encouraged their citizens to leave Ukraine due to escalating tension on the Russia-Ukraine border.
Russia has amassed tens of thousands of troops and artillery along its border with Ukraine over the past few months.
The White House reiterated that a Russian invasion of Ukraine is imminent.
“If you look at the disposition of forces, both in Belarus and in Russia on the other side of the Ukrainian border from the north and from the east, the Russians are in a position to be able to mount a major military action into Ukraine any day now,” national security adviser Jake Sullivan Sullivan said Friday.
A top Kremlin spokesperson said on Friday that President Joe Biden is scheduled to speak with Russian President Vladimir Putin on Saturday.
“Indeed, the U.S. side requested a conversation with President Putin, and the talks of the two presidents are planned to take place tomorrow in the evening,” Putin spokesman Dmitry Peskov said.