Australians overwhelmingly crave large families but are being restricted in the number of children they have by the realities of modern life. As a result, the dual-income-no-kids (DINKS) family has stolen the mantle of the largest family type in the nation. Australians overwhelmingly crave large families but are being restricted in the number of children who have by the realities of modern life. As a result, the dual-income-no-kids (DINKS) family has stolen the mantle of the largest family type in the nation.