President Recep Tayyip Erdogan reiterated on Monday Turkey’s determination in supporting and hosting Syrian refugees would continue, despite calls to send them back.

“Turkey is a country that gives the biggest support to the least developed countries and refugees in the world,” Erdogan said in his speech at the International Ombudsman Conference in Istanbul.

Turkey currently hosts some 3.6 million Syrian refugees, more than any other country in the world, and has so far spent $40 billion for them, according to official figures.

Erdogan said Turkey makes a conscious effort to make the lives of civilians in Syria better,

Read more: Turkey gives biggest support to refugees worldwide: Erdogan