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| Meta Title | Global average oil spills per decade 2024| Statista |
| Meta Description | There was an average of *** large oil spills from tanker incidents every year in the decade from 2020 onward. |
| Meta Canonical | null |
| Boilerpipe Text | There was an average of
***
large oil spills from tanker incidents every year in the decade from 2020 onward. In 2024,
***
oil spills were reported where more than
***
metric tons of oil leaked. In the years since the 1970s, the
number of oil tanker spills
has been notably reduced from an excess of
**
large oil spills per year.
Largest ever oil spills
The Gulf war oil spill in January 1991 is the
largest global oil spill
to ever take place since commercial drilling took off. An estimated
***
to
***********
gallons of oil were intentionally dumped into the ocean by the Iraqi government, which had invaded Kuwait and was trying to prevent the arrival of a UN-coalition navy force. The second largest oil spill is also one of the more recent disasters, the Deepwater Horizon wellhead blowout in 2010. Over
***********
gallons of oil were released into the Gulf of Mexico, while 11 people were killed in the accident.
Oil tanker spill causes
Oil tankers are the prevailing means of transporting the commodity over distances greater than can be covered by pipelines. Running aground is the
most common cause of large oil spills from tankers
.
**
percent of large oil tanker spills occurring between 1970 and 2024 were due to grounding. |
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# Annual average number of global oil spills per decade 1970-2024
Published by
[Doris Dokua Sasu](https://www.statista.com/aboutus/our-research-commitment/2683/doris-dokua-sasu),
Nov 27, 2025
There was an average of \*\*\* large oil spills from tanker incidents every year in the decade from 2020 onward. In 2024, \*\*\* oil spills were reported where more than \*\*\* metric tons of oil leaked. In the years since the 1970s, the [number of oil tanker spills](https://www.statista.com/statistics/268553/number-of-oil-spills-by-oil-tankers-since-1970/) has been notably reduced from an excess of \*\* large oil spills per year.
## Largest ever oil spills
The Gulf war oil spill in January 1991 is the [largest global oil spill](https://www.statista.com/statistics/268148/largest-global-oil-spills-since-1967/) to ever take place since commercial drilling took off. An estimated \*\*\* to \*\*\*\*\*\*\*\*\*\*\* gallons of oil were intentionally dumped into the ocean by the Iraqi government, which had invaded Kuwait and was trying to prevent the arrival of a UN-coalition navy force. The second largest oil spill is also one of the more recent disasters, the Deepwater Horizon wellhead blowout in 2010. Over \*\*\*\*\*\*\*\*\*\*\* gallons of oil were released into the Gulf of Mexico, while 11 people were killed in the accident.
## Oil tanker spill causes
Oil tankers are the prevailing means of transporting the commodity over distances greater than can be covered by pipelines. Running aground is the [most common cause of large oil spills from tankers](https://www.statista.com/statistics/671611/causes-of-large-oil-spills-from-oil-tankers-worldwide-distribution/). \*\* percent of large oil tanker spills occurring between 1970 and 2024 were due to grounding.
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## Average annual number of large oil spills worldwide per decade from 1970 to 2024
| Characteristic | Annual average number of spills |
|---|---|
| \- | \- |
| \- | \- |
| \- | \- |
| \- | \- |
| \- | \- |
| \- | \- |
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[© Statista 2026](https://www.statista.com/statistics/report-content/statistic/671539 "Report")
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Source
Show sources informationShow publisher information[Use Ask Statista Research Service](https://ask.statista.com/)
Release date
January 2025
**More information**
Region
Worldwide
Survey time period
1970 to 2024
Special properties
\* As of 2024. Average annual number of global oil spills larger than 700 tons of oil
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## Other statistics on the topic
[\+Global number of oil tanker spills by quantity 1970-2024](https://www.statista.com/statistics/268553/number-of-oil-spills-by-oil-tankers-since-1970/)
[Largest oil spills affecting U.S. waters 1969-2024](https://www.statista.com/statistics/1472678/largest-us-oil-spills-since-1969/)
[Cause of global oil tanker spills 1970-2024](https://www.statista.com/statistics/671611/causes-of-large-oil-spills-from-oil-tankers-worldwide-distribution/)
[\+Total number of oil spills in territorial waters in the U.S. 2000-2022](https://www.statista.com/statistics/186175/total-number-of-oil-spills-in-us-territorial-waters-since-2000/)
Doris Dokua Sasu
Research Expert Ghana and Nigeria
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ITOPF. (January 28, 2025). Average annual number of large oil spills worldwide per decade from 1970 to 2024 \[Graph\]. In Statista. Retrieved April 10, 2026, from https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/
ITOPF. "Average annual number of large oil spills worldwide per decade from 1970 to 2024." Chart. January 28, 2025. Statista. Accessed April 10, 2026. https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/
ITOPF. (2025). Average annual number of large oil spills worldwide per decade from 1970 to 2024. Statista. Statista Inc.. Accessed: April 10, 2026. https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/
ITOPF. "Average Annual Number of Large Oil Spills Worldwide per Decade from 1970 to 2024." Statista, Statista Inc., 28 Jan 2025, https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/
ITOPF, Average annual number of large oil spills worldwide per decade from 1970 to 2024 Statista, https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/ (last visited April 10, 2026)
Average annual number of large oil spills worldwide per decade from 1970 to 2024 \[Graph\], ITOPF, January 28, 2025. \[Online\]. Available: https://www.statista.com/statistics/671539/average-number-of-oil-spills-per-decade/
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| Readable Markdown | There was an average of \*\*\* large oil spills from tanker incidents every year in the decade from 2020 onward. In 2024, \*\*\* oil spills were reported where more than \*\*\* metric tons of oil leaked. In the years since the 1970s, the [number of oil tanker spills](https://www.statista.com/statistics/268553/number-of-oil-spills-by-oil-tankers-since-1970/) has been notably reduced from an excess of \*\* large oil spills per year.
## Largest ever oil spills
The Gulf war oil spill in January 1991 is the [largest global oil spill](https://www.statista.com/statistics/268148/largest-global-oil-spills-since-1967/) to ever take place since commercial drilling took off. An estimated \*\*\* to \*\*\*\*\*\*\*\*\*\*\* gallons of oil were intentionally dumped into the ocean by the Iraqi government, which had invaded Kuwait and was trying to prevent the arrival of a UN-coalition navy force. The second largest oil spill is also one of the more recent disasters, the Deepwater Horizon wellhead blowout in 2010. Over \*\*\*\*\*\*\*\*\*\*\* gallons of oil were released into the Gulf of Mexico, while 11 people were killed in the accident.
## Oil tanker spill causes
Oil tankers are the prevailing means of transporting the commodity over distances greater than can be covered by pipelines. Running aground is the [most common cause of large oil spills from tankers](https://www.statista.com/statistics/671611/causes-of-large-oil-spills-from-oil-tankers-worldwide-distribution/). \*\* percent of large oil tanker spills occurring between 1970 and 2024 were due to grounding. |
| Shard | 193 (laksa) |
| Root Hash | 114095133448638793 |
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