As liberal democracies, India and Australia can encourage free trade and help safeguard the Indo-Pacific, writes Australian Prime Minister Malcolm Turnbull India is the world’s most populous democracy and will, by 2030, be the most populous country, overtaking China. And it is young — there are more Indian 10-year-olds than there are Australians. With more than a dozen distinct languages, scripts and religions, India is multiculturalism on the grandest scale; unlike China, its only rival for scale, it had never existed as a single nation prior to its independence in 1947. And to sustain a vibrant modern democracy, surely India is one of the greatest political achievements of our times. Once you appreciate its size, you see its potential. Think of all those 10-year-olds who will one day be voting in India’s elections and who will also, one day, belong to India’s middle class, the engine of its booming economy. Put all that together and it’s easy to understand why India will p...