Coastal flooding - Cities and FUAs — Built-up area exposure to in New Orleans
New Orleans: Coastal flooding - Cities and FUAs — Built-up area exposure to was 0.0124 Percentage of built-up area in 2022. ▼ Falling
Coastal flooding - Cities and FUAs — Built-up area exposure to in New Orleans, 2000–2022
Source: Organisation for Economic Co-operation and Development. Measured in Percentage of built-up area.
Analysis
The most recent figure for coastal flooding - cities and fuas — built-up area exposure to in New Orleans is 0.0124 Percentage of built-up area, measured in 2022. That is the lowest value across all 23 years on record.
Compared with earlier readings it is down 0.1% on the previous year and down 67.1% over ten years.
Over the whole period, coastal flooding - cities and fuas — built-up area exposure to in New Orleans peaked at 0.0426 Percentage of built-up area in 2000 and was at its lowest, 0.0124 Percentage of built-up area, in 2022.
That places New Orleans 244th out of 1315 regions with data for 2022, putting it in the top quarter.
The long-run direction has been consistently falling across the 23 years of available data.
Coastal flooding - Cities and FUAs — Built-up area exposure to in New Orleans, year by year
| Year | Percentage of built-up area | Change |
|---|---|---|
| 2000 | 0.0426 Percentage of built-up area | — |
| 2001 | 0.0408 Percentage of built-up area | -4.1% |
| 2002 | 0.0402 Percentage of built-up area | -1.5% |
| 2003 | 0.04 Percentage of built-up area | -0.4% |
| 2004 | 0.0399 Percentage of built-up area | -0.3% |
| 2005 | 0.0393 Percentage of built-up area | -1.5% |
| 2006 | 0.0386 Percentage of built-up area | -1.9% |
| 2007 | 0.0382 Percentage of built-up area | -1.0% |
| 2008 | 0.0381 Percentage of built-up area | -0.4% |
| 2009 | 0.0379 Percentage of built-up area | -0.4% |
| 2010 | 0.0378 Percentage of built-up area | -0.3% |
| 2011 | 0.0377 Percentage of built-up area | -0.3% |
| 2012 | 0.0376 Percentage of built-up area | -0.2% |
| 2013 | 0.0375 Percentage of built-up area | -0.2% |
| 2014 | 0.0375 Percentage of built-up area | -0.2% |
| 2015 | 0.0374 Percentage of built-up area | -0.0% |
| 2016 | 0.0373 Percentage of built-up area | -0.4% |
| 2017 | 0.0371 Percentage of built-up area | -0.5% |
| 2018 | 0.0371 Percentage of built-up area | -0.1% |
| 2019 | 0.037 Percentage of built-up area | -0.2% |
| 2020 | 0.037 Percentage of built-up area | +0.0% |
| 2021 | 0.0124 Percentage of built-up area | -66.5% |
| 2022 | 0.0124 Percentage of built-up area | -0.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.0396 Percentage of built-up area | 0.0379 Percentage of built-up area | 0.0426 Percentage of built-up area | 10 |
| 2010s | 0.0374 Percentage of built-up area | 0.037 Percentage of built-up area | 0.0378 Percentage of built-up area | 10 |
| 2020s | 0.0206 Percentage of built-up area | 0.0124 Percentage of built-up area | 0.037 Percentage of built-up area | 3 |
More reference data data for New Orleans
- Cooling and heating degree days - Cities and FUAs — Cooling degree 921.97 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 126.51 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 278.5 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -36.69 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 24.56 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 9.01 Days per year (2024)
- Dependency ratio - Cities and FUAs 29.9 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area (2023)
- Main mode of transport to work - Cities and FUAs — Employed persons 351,307 Persons (2023)
- Internet speed - Cities and FUAs — Downloading speed -4 Percentage of national value (2025)
Frequently asked questions
- What is coastal flooding - cities and fuas — built-up area exposure to in New Orleans?
- Coastal flooding - cities and fuas — built-up area exposure to in New Orleans was 0.0124 Percentage of built-up area in 2022, according to Organisation for Economic Co-operation and Development.
- What is the highest coastal flooding - cities and fuas — built-up area exposure to recorded in New Orleans?
- The highest recorded value was 0.0426 Percentage of built-up area in 2000.
- What is the lowest coastal flooding - cities and fuas — built-up area exposure to recorded in New Orleans?
- The lowest recorded value was 0.0124 Percentage of built-up area in 2022.
- How does New Orleans rank for coastal flooding - cities and fuas — built-up area exposure to?
- New Orleans ranks 244th out of 1315 regions with data for 2022.
- Is coastal flooding - cities and fuas — built-up area exposure to rising or falling in New Orleans?
- Over the last ten years it is down 67.1%. The long-run trend across the full record is falling.
- Where does this New Orleans data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Coastal flooding - Cities and FUAs — Built-up area exposure to coastal flooding. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 23 observations, free to reuse under OECD Terms and Conditions (attribution required).
About this data
This dataset provides indicators of population and built-up exposure to coastal floods. Data sources and methodology Coastal flooding indicators are estimated using the Global coastal flood hazard maps (Muis, S. et al., 2016). This dataset provides the extent of coastal floods for different return periods (10 to 100 years) with a 1-kilometre resolution. A return period corresponds to the estimated time interval between floods of similar intensity. Built-up area exposure to coastal floods is computed by intersecting this map with Copernius annual land cover data (Copernicus Climate Change Service, Climate Data Store, 2019) and population exposure is computed using the Global Human Settlement Population layer (European Commission, GHSL Data Package 2023). Harmonised international hazard models are used to ensure global comparability, consistent modelling assumptions across countries, and complete subnational coverage. These estimates may differ from official subnational flood risk statistics due to differences in methodological approaches - such as the use of global, modelled top down hazard maps versus national hydrological models or administrative flood zone delineations - as well as variations in input data sources, spatial resolution, and hydraulic modelling techniques. Defining FUAs and cities The OECD, in cooperation with the EU, has developed a harmonised definition of functional urban areas (FUAs) to capture the economic and functional reach of cities based on daily commuting patterns (OECD, 2012). FUAs consist of: A city – defined by urban centres in the degree of urbanisation, adapted to the closest local administrative units to define a city. A commuting zone – including all local areas where at least 15% of employed residents work in the city. The delineation process includes: Assigning municipalities surrounded by a single FUA to that FUA. Excluding non-contiguous municipalities. The correspondence table between SAUs and FUAs/cities is available in parquet and csv format. The definition identifies 1 272 FUAs and 1 269 cities in all OECD member countries except Costa Rica and three accession countries. Cite this dataset OECD Regions, cities and local areas database (Coastal flooding - Cities and FUAs), http://oe.cd/geostats Further information OECD Local Data Portal OECD Regions and Cities at a Glance For questions and/or comments, please email CitiesStat@oecd.org