Country Comparison Tool
Compare up to eight countries in the same reference year. Explore GDP, inflation, population and other indicators, review history, and download values with sources. Free, no account required.
Research snapshots for reproducible citations
New ZealandUrban PM2.5 Concentration (WHO)
Unit: micrograms per cubic metre
Source: World Health Organization (Global Health Observatory) [WHO.PM25]
Measurement definition and metadata source
Publisher measure: Concentrations of fine particulate matter (PM2.5)
Annual population-weighted PM2.5 concentration in urban areas, matching WHO SDG11.6.2 metadata; label urban scope explicitly.
Publisher metadata, retrieved . This dates the definition review; it does not establish the release vintage or collection date of these readings.
Measurement basis: model-based estimate.
Label correction: This WHO SDG series is the urban population-weighted annual mean. Rural or total-residence rows are not substituted. Correction record.
These are source-reported readings. A “<” sign means strictly below the stated number. Upper bounds remain visible in tables and downloads; point charts and statistics omit them. A common year can include a reported upper bound.
Source retrieved 2026-09-07. Download this immutable source capture. Read the source correction.
Same-year comparison · 2023
Latest year before 2026 with a reading for every selected country in this history range. Past-year values are not necessarily final observations.
| Country | Value | Year |
|---|---|---|
| New Zealand | 5.9 | 2023 |
Displayed values are rounded. Downloads retain stored numerical precision and identify missing readings.
Reference year is the publisher’s reported year. Review the source definition and notes for measurement scope; capture retrieval time does not establish an official publisher release vintage.
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.
History · 2010–2023
Reported estimates and uncertainty · 14 rows
Each comparison sign applies to its own reading or uncertainty endpoint. Values retain source precision. “Not reported” identifies an absent reading or uncertainty endpoint in this source capture.
| Country | Year | Reading | Lower endpoint | Upper endpoint | Publisher note |
|---|---|---|---|---|---|
| New Zealand | 2010 | 5.839217807 | 5.471743293 | 6.235900924 | — |
| New Zealand | 2011 | 6.064423797 | 5.626325689 | 6.411788585 | — |
| New Zealand | 2012 | 6.620033349 | 6.282027128 | 7.081031472 | — |
| New Zealand | 2013 | 6.415440924 | 5.955496229 | 6.82139774 | — |
| New Zealand | 2014 | 6.778513522 | 6.312677816 | 7.190843008 | — |
| New Zealand | 2015 | 6.469196055 | 6.116807999 | 6.918788424 | — |
| New Zealand | 2016 | 6.494091229 | 6.158027918 | 6.935055088 | — |
| New Zealand | 2017 | 6.493875872 | 6.120802927 | 6.867832171 | — |
| New Zealand | 2018 | 6.407794431 | 6.083107469 | 6.749801208 | — |
| New Zealand | 2019 | 6.48651934 | 6.121466628 | 6.944896723 | — |
| New Zealand | 2020 | 6.194541176 | 5.885975448 | 6.520407849 | — |
| New Zealand | 2021 | 5.733239709 | 5.415143763 | 6.111802499 | — |
| New Zealand | 2022 | 5.36680526 | 5.063439517 | 5.683414878 | — |
| New Zealand | 2023 | 5.860762915 | 5.542031892 | 6.403010241 | — |
One row per country, indicator and year, with raw values, source links and reuse notices. Thresholds have an empty numeric value and separate number/operator fields; value_kind distinguishes upper bounds from absent readings.
History downloads use the displayed range. Gaps are preserved; no interpolation or nearest-year substitution is applied.
Key indicators · latest available
Latest available values. Compare the reference years: they may differ across countries and indicators.
One row per country, indicator and year, with raw values, source links and reuse notices. Empty values mean missing data.
| Indicator | |
|---|---|
| GDP (Current USD) | $278.64B2026 |
| GDP per Capita (USD) | $52,0232026 |
| Real GDP Growth (%) | 2.1%2026 |
| Population | 5.3M2025 |
| Life Expectancy at Birth | 82.0 years2024 |
| Inflation, Consumer Prices (%) | 3.1%2026 |
| Unemployment Rate (%) | 5.4%2026 |
| Govt Gross Debt (% of GDP) | 56.7%2026 |
Sources: IMF World Economic Outlook and World Bank. Years beside values are observation periods; estimates and forecasts may differ from reported observations. Read the methodology.
All Categories
Popular Country Comparisons by GDP
Compare countries by GDP, inflation, unemployment, population, and 335 indicators. Data sourced from IMF World Economic Outlook and World Bank. Updated 2026.