U.S. officials are aware of about 100 American citizens and legal permanent residents who are still stuck in Afghanistan and are ready to leave the country almost a month after the last U.S. troops left.
A senior State Department official said work continued to rescue them.
'The highest priority remains helping the U.S. citizens who wish to leave the country now to do so,' the official told reporters.
The Biden administration has faced intense criticism for the way it pulled out troops from Afghanistan, triggering a chaotic evacuation of civilians.
About 124,000 people were airlifted out of Kabul.
However, officials struggled to provide an estimate of how many Americans and how many residents had been unable to leave before U.S. troops left on August 30 - just ahead of President Biden's deadline for departure.
At least 85 American citizens and 79 lawful permanent residents have made it out since then.
Taliban fighters patrol a market in Kabul even as officials say 100 American citizens and U.S. legal permanent representatives remain in the city and are ready to leave
About 124,000 people were flown out of Kabul airport during a hurried evacuation that ended just before the final U.S. troops departed during the night of August 30
For two weeks, extraordinary images of the Kabul airlift dominated the media, until it all came to a halt leaving behind thousands of Afghans who had worked with the U.S. military
The evacuation flights have ended but U.S. officials say they are working to persuade the Taliban to allow the free movement of Afghans and foreign nationals who want to leave
Secretary of State Antony Blinken and other administration officials have faced repeated questions about whether enough has been done to bring home the remaining Americans
But others did not want to leave because family members lacked documents needed to enter the U.S., the official added.
Two weeks ago, Secretary of State Antony Blinken told lawmakers that about 100 U.S. citizens were still seeking evacuation from Afghanistan.
The number has gone up and down, complicated by the fact that some do not want to leave without relatives.