A second group of Australians linked to Islamic State camps in Syria is reportedly heading home as inflation and the Iran conflict place fresh pressure on the national economy and jobs market.

Australia is facing mounting political and economic challenges after reports emerged that another group of women and children linked to Islamic State detention camps in Syria are preparing to return home. The developments come as the Australian Bureau of Statistics revealed the national unemployment rate climbed to 4.5 per cent in April, increasing concerns about the economy amid rising inflation and global instability tied to the Iran conflict. Higher oil prices and fuel costs linked to Middle East tensions are adding pressure to household budgets and businesses, with economists warning the Reserve Bank may face difficult decisions on interest rates in the months ahead.