A Britain flags are seen in The Mall street in London, Britain January 29, 2020.
For the first time, the orders will also be the default sentence for any sexually motivated murders, it said.
Whole-life orders are rare, with 65 prisoners subject to one as of June 30, according to the Sentencing Council for England and Wales, which issues guidelines on punishments.
"By bringing in mandatory whole life orders for the heinous criminals who commit the most horrific types of murder, we will make sure they never walk free," said Prime Minister Rishi Sunak.
A judge currently specifies the minimum term an offender must spend in prison before becoming eligible to apply for parole when they pass a life sentence.
Persons:
Antonio Bronic, Lucy Letby, Rishi Sunak, Britain's, Paul Sandle, Christina Fincher
Organizations:
REUTERS, Appeal, England, Thomson
Locations:
Britain, London, Wales