When each relationship was established, newest first. Relationships without a confirmed year are listed at the end.
2026 · 1
- Christchurch City Council ↔ Shenzhen China
2024 · 5
- Auckland Council ↔ Hainan China
- Auckland Council ↔ Sichuan China
- Whangārei District Council ↔ Taputapuatea French Polynesia
- Whangārei District Council ↔ Tumaraa French Polynesia
- Whangārei District Council ↔ Uturoa French Polynesia
2020 · 1
- Westland District Council ↔ Huanggang China
2017 · 1
- Dunedin City Council ↔ Qingyuan China
2016 · 3
- Hastings District Council ↔ Dezhou China
- Hurunui District Council ↔ Changping (Beijing) China
- Marlborough District Council ↔ Ningxia China
2015 · 2
2014 · 3
- Nelson City Council ↔ Yangjiang China
- Queenstown Lakes District Council ↔ Hangzhou China
- Taupō District Council ↔ Shaoxing China
2013 · 2
2012 · 5
- Auckland Council ↔ Cook Islands Cook Islands
- Auckland Council ↔ Galway Ireland
- Auckland Council ↔ Samoa Samoa
- Auckland Council ↔ Shanghai China
- Auckland Council ↔ Tonga Tonga
2011 · 1
- Wellington City Council ↔ Tianjin China
2010 · 1
- Hauraki District Council ↔ Jiading (Shanghai) China
2009 · 1
- Selwyn District Council ↔ Shandan China
2008 · 6
- Auckland Council ↔ Pohang South Korea
- Auckland Council ↔ Qingdao China
- Hutt City Council ↔ Taizhou China
- Porirua City Council ↔ Bamiyan Afghanistan
- Taupō District Council ↔ Suzhou China
- Timaru District Council ↔ Eniwa Japan
2006 · 4
- Auckland Council ↔ Nadi Fiji
- Christchurch City Council ↔ Wuhan China
- Napier City Council ↔ Xuzhou China
- Wellington City Council ↔ Beijing China
2005 · 1
- Upper Hutt City Council ↔ Changzhi China
2004 · 1
- South Taranaki District Council ↔ Harbin China
2003 · 1
- New Plymouth District Council ↔ Kunming China
2002 · 1
- Porirua City Council ↔ Yangzhou China
2000 · 5
- Ashburton District Council ↔ Puyang China
- Far North District Council ↔ Liaoning China
- Rotorua Lakes Council ↔ Wuzhong (Suzhou) China
- Selwyn District Council ↔ Yubetsu Japan
- Waipā District Council ↔ Le Quesnoy France
1999 · 1
- Timaru District Council ↔ Weihai China
1998 · 1
- Auckland Council ↔ Ningbo China
1997 · 4
- Rotorua Lakes Council ↔ Lake Macquarie Australia
- Taupō District Council ↔ Kitashiobara Japan
- Waipā District Council ↔ Bihoro Japan
- Whakatāne District Council ↔ Kamagaya Japan
1996 · 4
- Auckland Council ↔ Busan South Korea
- Auckland Council ↔ Taichung Taiwan Province of China
- Gisborne District Council ↔ Rizhao China
- Masterton District Council ↔ Changchun China
1995 · 3
- Christchurch City Council ↔ Songpa (Seoul) South Korea
- Nelson City Council ↔ Huangshi China
- Taupō District Council ↔ Nouméa New Caledonia
1994 · 2
- Dunedin City Council ↔ Shanghai China
- Napier City Council ↔ Lianyungang China
1993 · 2
1992 · 4
- Auckland Council ↔ Kakogawa Japan
- Gore District Council ↔ Tamworth Australia
- Palmerston North City Council ↔ Guiyang China
- Selwyn District Council ↔ Akitakata Japan
1990 · 1
- Timaru District Council ↔ Orange United States
1989 · 1
- Auckland Council ↔ Guangzhou China
1988 · 4
- Auckland Council ↔ Brisbane Australia
- Hamilton City Council ↔ Sacramento United States
- Horowhenua District Council ↔ Narita Japan
- Whanganui District Council ↔ Nagaizumi Japan
1987 · 3
- Rotorua Lakes Council ↔ Beppu Japan
- Taupō District Council ↔ Hakone Japan
- Wellington City Council ↔ Xiamen China
1986 · 4
- Auckland Council ↔ Fukuoka Japan
- Hamilton City Council ↔ Wuxi China
- Tauranga City Council ↔ Yantai China
- Timaru District Council ↔ Orange Australia
1984 · 4
- Christchurch City Council ↔ Gansu China
- Dunedin City Council ↔ Otaru Japan
- Hamilton City Council ↔ Saitama Japan
- Porirua City Council ↔ Blacktown Australia
1983 · 2
1982 · 1
- Auckland Council ↔ Utsunomiya Japan
1981 · 3
- Christchurch City Council ↔ Seattle United States
- Hastings District Council ↔ Guilin China
- Hutt City Council ↔ Tempe United States
1974 · 1
- Dunedin City Council ↔ Edinburgh United Kingdom
1973 · 1
- Christchurch City Council ↔ Kurashiki Japan
1972 · 3
- Auckland Council ↔ Los Angeles United States
- Christchurch City Council ↔ Adelaide Australia
- Christchurch City Council ↔ Christchurch United Kingdom
1963 · 1
- Dunedin City Council ↔ Portsmouth United States
1962 · 1
- Rotorua Lakes Council ↔ Klamath Falls United States
Year not recorded · 37
- Ashburton District Council ↔ Ashburton United Kingdom
- Ashburton District Council ↔ Minamiuonuma Japan
- Ashburton District Council ↔ Pulaski United States
- Gisborne District Council ↔ Mahina French Polynesia
- Gisborne District Council ↔ Nonoichi Japan
- Gisborne District Council ↔ Palm Desert United States
- Hurunui District Council ↔ Honghu China
- Hutt City Council ↔ Minoh Japan
- Hutt City Council ↔ Xi'an China
- Invercargill City Council ↔ Kumagaya Japan
- Marlborough District Council ↔ Otari Japan
- Marlborough District Council ↔ Tendō Japan
- Masterton District Council ↔ Hatsukaichi Japan
- Matamata-Piako District Council ↔ Ballina Australia
- Napier City Council ↔ Tomakomai Japan
- Napier City Council ↔ Victoria Canada
- Nelson City Council ↔ Eureka United States
- Nelson City Council ↔ Miyazu Japan
- New Plymouth District Council ↔ Mishima Japan
- Palmerston North City Council ↔ Kunshan China
- Palmerston North City Council ↔ Mihara Japan
- Palmerston North City Council ↔ Missoula United States
- Porirua City Council ↔ Whitby United Kingdom
- Queenstown Lakes District Council ↔ Aspen United States
- Selwyn District Council ↔ Coventry United States
- Tauranga City Council ↔ Hitachi Japan
- Tauranga City Council ↔ San Bernardino United States
- Upper Hutt City Council ↔ Mesa United States
- Waimakariri District Council ↔ Enshi China
- Waimakariri District Council ↔ Zonnebeke Belgium
- Wellington City Council ↔ Çanakkale Turkey
- Wellington City Council ↔ Canberra Australia
- Wellington City Council ↔ Chania Greece
- Wellington City Council ↔ Harrogate United Kingdom
- Wellington City Council ↔ Sakai Japan
- Wellington City Council ↔ Sydney Australia
- Whangārei District Council ↔ Haikou China