Turkey has for the first time allowed policewomen to wear the Islamic headscarf as part of their uniform, according to a ruling published in the official gazette Saturday.
Women serving in the police force "will be able to cover their heads" under their caps or berets so long as the headscarf is "the same colour as the uniform and without pattern", said the ruling published in the official gazette.
Rulings published in the official gazette come into force immediately.
The ruling Islamic-rooted Justice and Development Party (AKP) has long pressed for the removal of restrictions on women wearing the headscarf in the officially secular state.
Turkey lifted a ban on the wearing of the Muslim headscarf, known as the hijab, on university campuses in 2010.
It allowed female students to wear the headscarf in state institutions from 2013 and in high school in 2014.
Erdogan's critics have long accused the president of eating away at the secular pillars of modern Turkey as set up by its founder Mustafa Kemal Ataturk when he established the Turkish republic in 1923.
But pro-government media pointed out that several Western states have already granted female officers permission to wear the headscarf.
Police in Scotland this month allowed women to wear the headscarf while on duty, following a lead set by their counterparts in London over a decade ago.
Hoping to boost recruiting of Muslim women, the Canadian government this week said the Royal Canadian Mounted Police would allow its officers to wear hijabs as part of their uniforms.