PANKs are Professional Aunts, No Kids, and according to the World Travel Mart Global Trends Report, this is a key emerging demographic. The number of PANKs in the United States alone is estimated at 23 million; they spend some $9 billion per year on children. At this stage, there is no robust research on the trend in Australia. As women marry later, they are also having kids later or not at all, and spending a great deal of time earning income. This income gives them the option to indulge nieces and nephews, taking them on cultural adventures. These changing demographics are redefining family travel: no longer is it simply mum, dad and two kids. Find out more.