Papua New Guinea

Map of Papua New Guinea among its neighbours
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Mangrove extent

Annual estimates from Global Mangrove Watch, 1985–2025.

Estimated extent in 2025
487,766.3 ha
95% bounds
454,938.2–534,590.3 ha
View annual estimates and 95% bounds
Annual mangrove extent estimates for Papua New Guinea
YearEstimated extent (ha)95% lower bound (ha)95% upper bound (ha)
1985483,993.5451,419.3530,455.4
1986483,984.4451,410.8530,445.4
1987483,988.6451,414.7530,450
1988484,472.1451,865.7530,980
1989486,743.7453,984.4533,469.6
1990487,306.4454,509.2534,086.3
1991487,249.2454,455.9534,023.6
1992487,185.4454,396.3533,953.6
1993487,499.9454,689.7534,298.3
1994487,778.3454,949.4534,603.5
1995488,390.9455,520.8535,275
1996487,643.1454,823.3534,455.3
1997486,742.7453,983.5533,468.5
1998485,763.5453,070.2532,395.3
1999479,034.4446,793.9525,020.2
2000480,352.9448,023.7526,465.3
2001479,215.9446,963.3525,219.2
2002478,071.4445,895.8523,964.8
2003477,699.7445,549.1523,557.4
2004479,167446,917.7525,165.6
2005480,893.1448,527.6527,057.4
2006482,774.7450,282.6529,119.6
2007485,239452,581531,820.5
2008487,309.3454,512534,089.5
2009489,646.5456,691.9536,651.1
2010488,514.4455,635.9535,410.3
2011485,705.8453,016.4532,332.1
2012482,407.8449,940.3528,717.5
2013480,457.8448,121.6526,580.3
2014479,447.9447,179.6525,473.4
2015480,821.9448,461.2526,979.3
2016481,639.7449,223.9527,875.6
2017483,196.3450,675.8529,581.7
2018484,712.3452,089.7531,243.2
2019485,497.1452,821.7532,103.3
2020486,239.7453,514.3532,917.2
2021486,990.2454,214.3533,739.7
2022485,149.8452,497.8531,722.7
2023484,386.8451,786.1530,886.4
2024485,487.4452,812.6532,092.7
2025487,766.3454,938.2534,590.3

The publisher adjusted estimates for global classification accuracy. Earlier years include infilling where satellite imagery was sparse. Accuracy varies by place and year. Figures are shown to at most one decimal place.

Bunting, Hilarides, A. Rosenqvist, Oakes, Castro Brandão Vaz dos Santos, Worthington, J. Rosenqvist, Zanaga, Van De Kerchove, Tadono and Kobayashi (2026). Global Mangrove Watch: Timeseries of Mangrove Extent (v4.1.12). Zenodo. (opens another site) CC BY 4.0 (opens another site)