NIB Holdings Ltd. engages in the provision of health and medical insurance. It operates through the following segments: Australian Residents Health Insurance, International (Inbound) Health Insurance, New Zealand Insurance, nib Travel, and nib Thrive. The Australian Residents Health Insurance segment offers product within the Australian private health insurance industry. The International (Inbound) Health Insurance segment includes health insurance products for international students and workers. The New Zealand Insurance segment consists of product for the New Zealand private health insurance industry. The nib Travel segment pertains to distribution of travel insurance products. The nib Thrive segment is involved in offering as a plan manager under the National Disability Insurance Scheme. The company was founded in 1952 and is headquartered in Newcastle, Australia.