Irrigated agriculture water use efficiency, Ratio in New Zealand

New Zealand: Irrigated agriculture water use efficiency, Ratio was 4.31 in 2021. ▲ Rising

Latest (2021)
4.31
Change on year
up 2.7%
World rank
7th
of 174 countries
All-time high
4.39
in 2017
All-time low
2.3
in 2005
Years of data
20
2002–2021

Irrigated agriculture water use efficiency, Ratio in New Zealand, 2002–2021

012342002201120212002: 3.22003: 3.12004: 2.82005: 2.32006: 2.52007: 3.12008: 2.52009: 2.92010: 3.32011: 3.42012: 3.12013: 4.12014: 32015: 2.92016: 3.92017: 4.42018: 4.22019: 4.12020: 4.22021: 4.3

Source: International Monetary Fund.

Analysis

New Zealand recorded 4.31 for irrigated agriculture water use efficiency, ratio in 2021.

That represents a change of up 2.7% on the previous year and up 28.6% over ten years.

Over the whole period, irrigated agriculture water use efficiency, ratio in New Zealand peaked at 4.39 in 2017 and was at its lowest, 2.3, in 2005.

That places New Zealand 7th out of 174 countries with data for 2021, putting it in the top 10%.

The long-run direction has been consistently rising across the 20 years of available data.

Irrigated agriculture water use efficiency, Ratio in New Zealand, year by year

Annual values for Irrigated agriculture water use efficiency, Ratio (Not Applicable) in New Zealand, 2002 to 2021.
Year Value Change
2002 3.24
2003 3.09 -4.7%
2004 2.8 -9.3%
2005 2.3 -17.9%
2006 2.47 +7.3%
2007 3.09 +25.0%
2008 2.49 -19.2%
2009 2.91 +16.5%
2010 3.34 +15.0%
2011 3.35 +0.3%
2012 3.09 -7.8%
2013 4.11 +33.1%
2014 2.96 -28.1%
2015 2.95 -0.4%
2016 3.88 +31.4%
2017 4.39 +13.3%
2018 4.21 -4.1%
2019 4.14 -1.6%
2020 4.2 +1.3%
2021 4.31 +2.7%

Averages by decade

DecadeAverage LowestHighest Years
2000s 2.8 2.3 3.24 8
2010s 3.64 2.95 4.39 10
2020s 4.25 4.2 4.31 2

Countries ranked near New Zealand

  1. 4 Brunei Darussalam 6.34 compare
  2. 5 Switzerland 5.95 compare
  3. 6 Seychelles 4.67 compare
  4. 8 Montenegro 3.84 compare
  5. 9 Sierra Leone 3.8 compare
  6. 10 Sweden 3.59 compare

See the full ranking of 175 places →

More climate change data for New Zealand

All data for New Zealand →

Frequently asked questions

What is irrigated agriculture water use efficiency, ratio in New Zealand?
Irrigated agriculture water use efficiency, ratio in New Zealand was 4.31 in 2021, according to International Monetary Fund.
What is the highest irrigated agriculture water use efficiency, ratio recorded in New Zealand?
The highest recorded value was 4.39 in 2017.
What is the lowest irrigated agriculture water use efficiency, ratio recorded in New Zealand?
The lowest recorded value was 2.3 in 2005.
How does New Zealand rank for irrigated agriculture water use efficiency, ratio?
New Zealand ranks 7th out of 174 countries with data for 2021.
Is irrigated agriculture water use efficiency, ratio rising or falling in New Zealand?
Over the last ten years it is up 28.6%. The long-run trend across the full record is rising.
Where does this New Zealand data come from?
The figures come from International Monetary Fund, published as part of Irrigated agriculture water use efficiency, Ratio (Not Applicable). Statizoid updates them automatically from the source API.

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Irrigated agriculture water use efficiency, Ratio in New Zealand. Statizoid, drawing on International Monetary Fund. Retrieved 26 August 2026, from https://climate.statizoid.com/stat/irrigated-agriculture-water-use-efficiency-ratio-not-applicable/new-zealand/

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About this data

Indicator
Irrigated agriculture water use efficiency, Ratio (Not Applicable)
Source
International Monetary Fund
Licence
IMF Terms and Conditions (attribution required)
Coverage
175 places, 3,664 data points, 1998–2021
Last refreshed

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