Biodiversity — Forest birds index in Switzerland

Switzerland: Biodiversity — Forest birds index was 131.1 Index in 2024. ▲ Rising

Latest (2024)
131.1 Index
Change on year
up 1.2%
World rank
2nd
of 16 countries
All-time high
132.53 Index
in 2021
All-time low
93.03 Index
in 1999
Years of data
35
1990–2024

Biodiversity — Forest birds index in Switzerland, 1990–2024

0501001501990200720241990: 100.9 Index1991: 94.4 Index1992: 95.7 Index1993: 103.5 Index1994: 99.8 Index1995: 100.8 Index1996: 99.4 Index1997: 98.3 Index1998: 95 Index1999: 93 Index2000: 100 Index2001: 96.1 Index2002: 99 Index2003: 101.8 Index2004: 108.5 Index2005: 112.1 Index2006: 103.2 Index2007: 109.7 Index2008: 111.5 Index2009: 101.8 Index2010: 111.1 Index2011: 109 Index2012: 115.2 Index2013: 104.7 Index2014: 112.2 Index2015: 118.6 Index2016: 115.9 Index2017: 119.7 Index2018: 110.3 Index2019: 124.7 Index2020: 124.4 Index2021: 132.5 Index2022: 119.6 Index2023: 129.6 Index2024: 131.1 Index

Source: Organisation for Economic Co-operation and Development. Measured in Index.

Analysis

Switzerland recorded 131.1 Index for biodiversity — forest birds index in 2024.

That represents a change of up 1.2% on the previous year and up 16.9% over ten years.

Over the whole period, biodiversity — forest birds index in Switzerland peaked at 132.53 Index in 2021 and was at its lowest, 93.03 Index, in 1999.

The long-run direction has been consistently rising across the 35 years of available data.

Biodiversity — Forest birds index in Switzerland, year by year

Annual values for Biodiversity — Forest birds index in Switzerland, 1990 to 2024.
Year Index Change
1990 100.86 Index
1991 94.43 Index -6.4%
1992 95.7 Index +1.3%
1993 103.52 Index +8.2%
1994 99.81 Index -3.6%
1995 100.78 Index +1.0%
1996 99.43 Index -1.3%
1997 98.3 Index -1.1%
1998 95.02 Index -3.3%
1999 93.03 Index -2.1%
2000 100 Index +7.5%
2001 96.12 Index -3.9%
2002 99.01 Index +3.0%
2003 101.84 Index +2.9%
2004 108.54 Index +6.6%
2005 112.08 Index +3.3%
2006 103.17 Index -8.0%
2007 109.71 Index +6.3%
2008 111.51 Index +1.6%
2009 101.83 Index -8.7%
2010 111.14 Index +9.1%
2011 109.01 Index -1.9%
2012 115.25 Index +5.7%
2013 104.67 Index -9.2%
2014 112.17 Index +7.2%
2015 118.58 Index +5.7%
2016 115.88 Index -2.3%
2017 119.73 Index +3.3%
2018 110.28 Index -7.9%
2019 124.68 Index +13.1%
2020 124.4 Index -0.2%
2021 132.53 Index +6.5%
2022 119.62 Index -9.7%
2023 129.58 Index +8.3%
2024 131.1 Index +1.2%

Averages by decade

DecadeAverage LowestHighest Years
1990s 98.09 Index 93.03 Index 103.52 Index 10
2000s 104.38 Index 96.12 Index 112.08 Index 10
2010s 114.14 Index 104.67 Index 124.68 Index 10
2020s 127.45 Index 119.62 Index 132.53 Index 5

Countries ranked near Switzerland

  1. 1 Hungary 168 Index compare
  2. 3 Sweden 130.39 Index compare
  3. 4 Cyprus 120 Index compare
  4. 5 Luxembourg 118.28 Index compare

See the full ranking of 25 places →

More environment data for Switzerland

All data for Switzerland →

Frequently asked questions

What is biodiversity — forest birds index in Switzerland?
Biodiversity — forest birds index in Switzerland was 131.1 Index in 2024, according to Organisation for Economic Co-operation and Development.
What is the highest biodiversity — forest birds index recorded in Switzerland?
The highest recorded value was 132.53 Index in 2021.
What is the lowest biodiversity — forest birds index recorded in Switzerland?
The lowest recorded value was 93.03 Index in 1999.
How does Switzerland rank for biodiversity — forest birds index?
Switzerland ranks 2nd out of 16 countries with data for 2024.
Is biodiversity — forest birds index rising or falling in Switzerland?
Over the last ten years it is up 16.9%. The long-run trend across the full record is rising.
Where does this Switzerland data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Biodiversity — Forest birds index. Statizoid updates them automatically from the source API.

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Biodiversity — Forest birds index in Switzerland. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 23 August 2026, from https://environment.statizoid.com/stat/biodiversity-forest-birds-index/switzerland/

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About this data

Indicator
Biodiversity — Forest birds index
Unit
Index
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
25 places, 668 data points, 1990–2024
Last refreshed