A lack of funding has led the World Food Programme to significantly reduce food vouchers for refugees living outside of camps in Jordan in August, while maintaining the same levels of assistance for camp residents.
Rich countries have paid out less than half the amount they originally pledged to help countries recover from a snapshot of three major humanitarian crises, according to Oxfam.
"The new restrictions on entry for Syrians into Lebanon are part of a worrying, wider trend reflecting quite simply less and less opportunities for Syrians to escape conflict inside Syria," said Camilla Jelbart Mosse, Oxfam's Syria Campaign Manager.