As our economy faces up to potential labour shortages due to our ageing population and as it moves to a new level of sophistication to compete with the rest of the world, we're going to need every Australian on board pulling their weight, rejoining the workforce, gaining new skills. Writing off individuals and communities suffering from poverty just creates a dead weight for our economy to drag along.

If G20 leaders are serious about sustainable growth and job creation and want to stem migration flows and promote long-term stability, education is an essential investment.

We see community organizations as major service providers and economic drivers rather than as recipients or distributors of charity, and coordinators of volunteers. Today they constitute what's referred to as 'the social economy'.

As more girls get basic schooling, larger numbers will move up the educational ladder - some to pursue science, technology, engineering, and mathematics. That's important because workplaces around the world, especially in many developing and emerging-market countries, are becoming more automated, favouring workers with technical skills.

In fragile and conflict-affected states, education can insulate children from chaos and insecurity and better prepare them to bring about future stability.

If you believe, as I do, that merit is equally distributed between the sexes, then any result that isn't around half and half should be troubling.