One of the three people suggested the ID scheme would be universal. A fourth person, however, suggested that it was more likely to be targeted at people in work.
A fifth person said it would be mandatory for showing the right to work in the U.K.
Alongside existing systems, such as eVisas, the new scheme would function as an extra layer to stop unscrupulous employers finding loopholes in the system, a sixth person said.
The scheme will initially be consulted on and will likely need legislation, according to The Times.
French President Emmanuel Macron has repeatedly warned that the lack of ID cards in the U.K. acts as a major incentive to migrants, who are able to find work in the black economy.