The Organisation for Economic Co-operation and Development (OECD) meanwhile emphasised at the meeting that "well-managed" migration could bring benefits to developed economies.
"We discussed for the first time the migration issue in the context of labour migration," Turkey's Labour and Social Security Minister Ahmet Erdem told reporters in Ankara after the first sessions of the two-day G20 meeting got underway in the Turkish capital.
More than 350,000 migrants have risked their lives crossing the Mediterranean this year, and some 2,600 have died while making the perilous journey to Europe, the International Organisation for Migration said Tuesday.
The figure from 2015 already dwarfs that of 2014, when 219,000 made the crossing throughout the entire year.
Turkey is a major crossing point for many migrants -- who risk their lives during perilous journeys in the hope of finding jobs in Europe.
The EU's two heavyweights Germany and France have agreed that the 28-nation bloc, facing an unprecedented influx of migrants, should impose binding quotas on the numbers member states take in.
Angel Gurria, secretary general of Paris-based OECD, welcomed the initiative championed by French President Francois Hollande and German Chancellor Angela Merkel as a "structural and ambitious response" to the current refugee crisis.
He added: "European leaders need to step up to the challenge so that Europe as a whole emerges stronger economically, socially and politically."
He emphasised that migration can help developed economies.
"OECD analysis demonstrates the potential benefits that well-managed migration brings to the economies and societies of OECD countries," Gurria added.
Most of the Syrian refugees are scattered in neighbouring countries-- Turkey, Lebanon, Jordan and Iraq. Turkey alone hosts nearly two million people who fled the regime of President Bashar al-Assad.
