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Updated July 15, 2021
Wildfire Statistics

Wildfires are unplanned and unwanted fires, including
lightning-caused fires, unauthorized human-caused fires,
and escaped prescribed fire projects. States are responsible
for responding to wildfires that begin on nonfederal (state,
local, and private) lands, except for lands protectedby
federal agencies under cooperative agreements. The federal
government is responsible forresponding to wildfires that
begin on federal lands. The Forest Service (FS)-within the
U.S. Department of Agriculture-carries out wildfire
management andresponse across the 193 million acres of
the National Forest System(NFS). The Department of the
Interior (DOI) manages wildfire response for more than 400
million acres ofnationalparks, wildlife refuges and
preserves, otherpublic lands, andIndianreservations.
Wildfire statistics help to illustratepastU.S. wildfire
activity. Nationwide data compiled by the National
Interagency Coordination Center (NICC) indicate that the
numberofannualwildfires is variable but has decreased
slightly over the las t 30 years and that the number of acres
impacted annually, while also variable, generally has
increased(see Figure 1). Since 2000, an annual average of
70,600 wildfires burned an annual average of 7.0 million
acres. This figure is more than double the average annual
acreage burned in the 1990s (3.3 million acres), althougha
greater number of fires occurred annually in the 1990s
(78,600 average).
Table 1. Annual Wildfires and Acres Burned
2016    2017    2018   2019    2020
Number of Fires (thousands)
Federal          12.6    15.2    12.5    10.9   14A
FS            5.7     6.6    5.6     5.3    6.7
DOI           6.8     7.3    7.0     5.3    7.6
Other        <0.1     1.2    0.1     0.2    <0.1
Nonfederal       55.2    56A     45.6    39.6   44.6
Total            67.7    71.5    58.1   50.5    59.0
Acres Burned (millions)
Federal           3.0     6.3    4.6     3.1    7.1
FS            1.2     2.9    2.3     0.6    4.8
DOI           1.7     3.3    2.3     2.3    2.3
Other        <0.1    <0.1    <0.1    <0.1   <0.1
Nonfederal        2.5     3.7    4.1     1.6    3.1
Total             5.5    10.0    8.8     4.7    10.1
Source: National Interagency Coordination Center (NICC)
Wildland Fire Summary and Statistics annual reports.

Notes: FS = Forest Service; DOI = Department of the Interior.
Column totals may not add due to rounding.
Figure I. Annual Wildfires and Acres Burned
(199 1-2020)
Fires thoands                    Ars bur  ml   s
100 10
606
40                                 4
Acres burned
Source: NICC Wildland Fire Summaryand Statisticsannual reports.
Note: Data reflect wild Ian d fires and acres burned nationwide,
includingwildland fires on federal and nonfederal lands.
From 2011 to 2020, there were an average of 62,805
wildfires annually and an average of 7.5 million acres
impacted annually. In 2020, 58,950 wildfires burned 10.1
million acres, the second-most acreage impactedin a year
(see Figure 2) since 1960; nearly 40% of these acres were
in California. Nearly half of the acres impactedwere on
NFS lands. These officialfigures fromNICC reflect
downward revisions fromearlier reported data for 2020.
As of July 15, 2021, over 34,000 wildfires have impacted
nearly 2.3 million acres. The nationwidepreparedness level
is at the maximum level (5), suggesting significant
commitment of shared resources.
Figure 2. Top Five Years with Largest Wildfire
Acreage Burned Since 1960

Year   Acres burned (millions)
2015

2020
2017
2006

Number of Fires
Ii
68.2
59.1)
71.5
96 4A

L26.
Source: NICC Wildland Fire Summaryand Statisticsannual reports.
Note: Numberof fires in thousands.
The number of fires and acreage burned are indicators of
the annual level of wildfire activity. However, these
numbers may be misleading with respect to their impact on
human development or communities since many fires may

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