New Zealand passport holders are allowed to travel to 182 countries without visas.
The Henley Passport Index uses International Air Transport Association data to rank passports.
Japan, meanwhile, have leapfrogged Singapore to take the number one spot. Australia are seventh.
Latest top 10 Henley Passport Index power rankings:
3. Germany, France, South Korea
4. Denmark, Finland, Italy, Sweden, Spain
5. Norway, United Kingdom, Austria, Luxembourg, Netherlands, Portugal, United States
6. Belgium, Switzerland, Ireland, Canada
7. Australia, Greece, Malta
8. New Zealand, Czech Republic
10. Hungary, Slovenia, Malaysia