Federally, and in New South Wales, and to an extent in Victoria and historically in Western Australia, it has, in government, been the minor party in a centre-right Coalition with the Liberal Party of Australia, and its leader has usually served as Deputy Prime Minister.
Di dalam pemerintahan, baik secara federal, dan di New South Wales, serta sampai batas tertentu di Victoria dan secara historis di Australia Barat, Partai Nasional Australia selalu menjadi partai kecil di dalam Koalisi bersama dengan Partai Liberal Australia, dan pemimpin Partai Nasional Australia biasanya bertugas sebagai Wakil Perdana Menteri.