The New Zealand Police (Māori: Ngā Pirihimana o Aotearoa) is the national police service of New Zealand, responsible for enforcing criminal law, enhancing public safety, and maintaining order. With about 12,000 personnel it is the largest law enforcement agency in New Zealand and, with few exceptions, has primary jurisdiction over the majority of New Zealand criminal law. The New Zealand Police also has responsibility for traffic and commercial vehicle enforcement as well as other key responsibilities including protection of dignitaries, firearms licensing and matters of national security.