The National Health Service (NHS) is a state-owned healthcare system in the United Kingdom. It was founded in 1948 and is headquartered in the UK. The NHS provides healthcare services to the entire population of the UK, regardless of their income or social status. It is funded through general taxation and National Insurance contributions. The NHS employs over 228,450 people, making it one of the largest employers in the world. The NHS is responsible for providing a wide range of healthcare services, including primary care, hospital care, and mental health care.