Change in minimum river flow in Bulgaria

Bulgaria: Change in minimum river flow was -9.5% in 2024. ◆ Volatile

Latest (2024)
-9.5%
Change on year
up 17.1%
World rank
161st
of 226 countries
All-time high
16.0%
in 2015
All-time low
-15.1%
in 2020
Years of data
20
2005–2024

Change in minimum river flow in Bulgaria, 2005–2024

-20-10010202005201420242005: -2.9 %2006: 7.1 %2007: 2.8 %2008: -3.2 %2009: 4.2 %2010: 2 %2011: 7.6 %2012: 1.2 %2013: -0.399 %2014: 4.2 %2015: 16 %2016: -3.6 %2017: 2.5 %2018: 5.6 %2019: -1.3 %2020: -15.1 %2021: -10 %2022: -10.4 %2023: -11.5 %2024: -9.5 %

Source: United Nations Statistics Division, SDG Global Database. Measured in %.

Analysis

Bulgaria recorded -9.5% for change in minimum river flow in 2024.

That represents a change of up 17.1% on the previous year and down 327.0% over ten years.

Over the whole period, change in minimum river flow in Bulgaria peaked at 16.0% in 2015 and was at its lowest, -15.1%, in 2020.

That places Bulgaria 161st out of 226 countries with data for 2024, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Change in minimum river flow in Bulgaria, year by year

Annual values for Change in minimum river flow (%) in Bulgaria, 2005 to 2024.
Year % Change
2005 -2.9% —
2006 7.1% -345.0%
2007 2.8% -61.4%
2008 -3.2% -216.4%
2009 4.2% -230.0%
2010 2.0% -51.6%
2011 7.6% +276.2%
2012 1.2% -83.9%
2013 -0.4% -132.6%
2014 4.2% -1150.3%
2015 16.0% +281.3%
2016 -3.6% -122.3%
2017 2.5% -170.9%
2018 5.6% +122.8%
2019 -1.3% -122.7%
2020 -15.1% +1081.2%
2021 -10.0% -33.6%
2022 -10.4% +3.4%
2023 -11.5% +10.7%
2024 -9.5% -17.1%

Bulgaria compared with similar countries

  • Bulgaria's -9.5% is below the median for high income countries, which is -1.8%, 5.2× the median. (74 countries reporting)
  • Bulgaria's -9.5% is below the median for Europe & Central Asia, which is -5.1%, 1.9× the median. (52 countries reporting)

Biggest year-on-year movements

Years where Change in minimum river flow in Bulgaria changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
2014 +1150.3% -0.4% 4.2%

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.6% -3.2% 7.1% 5
2010s 3.4% -3.6% 16.0% 10
2020s -11.3% -15.1% -9.5% 5

Countries ranked near Bulgaria

  1. 158 Tajikistan -9.1% compare
  2. 159 Madagascar -9.3% compare
  3. 160 Montenegro -9.5% compare
  4. 162 Mexico -10.1% compare
  5. 163 Kazakhstan -10.1% compare
  6. 164 San Marino -10.5% compare

See the full ranking of 262 places →

More development goals data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is change in minimum river flow in Bulgaria?
Change in minimum river flow in Bulgaria was -9.5% in 2024, according to United Nations Statistics Division, SDG Global Database.
What is the highest change in minimum river flow recorded in Bulgaria?
The highest recorded value was 16.0% in 2015.
What is the lowest change in minimum river flow recorded in Bulgaria?
The lowest recorded value was -15.1% in 2020.
How does Bulgaria rank for change in minimum river flow?
Bulgaria ranks 161st out of 226 countries with data for 2024.
Is change in minimum river flow rising or falling in Bulgaria?
Over the last ten years it is down 327.0%. The long-run trend across the full record is volatile.
Where does this Bulgaria data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Change in minimum river flow (%). Statizoid updates them automatically from the source API.

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Change in minimum river flow in Bulgaria. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 30 September 2026, from https://development-goals.statizoid.com/stat/change-in-minimum-river-flow-percent/bulgaria/

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About this data

Indicator
Change in minimum river flow (%)
Unit
%
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
262 places, 5,240 data points, 2005–2024
Last refreshed