How Many Mountain Gorillas Are Left in the World? A Comprehensive Overview (2025)
Mountain Gorilla Population Worldwide
The population of Mountain gorilla (Gorilla beringei beringei) — one of Earth’s most iconic and endangered great apes — remains extremely small, but conservation efforts over decades have helped the species make a significant comeback. This post explains the current estimates, how these counts are made, why the numbers matter, and the challenges ahead.
Current Population Estimate: ~1,063 in the wild
According to the most recent comprehensive surveys, the global wild population of mountain gorillas is estimated at about 1,063 individuals.
This estimate comes from combining two major populations:
Bwindi‑Sarambwe ecosystem (which includes Bwindi Impenetrable National Park in Uganda and the adjoining Sarambwe Nature Reserve in the DRC) — with 459 gorillas recorded in the last census (2018).
Virunga Massif (encompassing protected areas across DR Congo, Rwanda, and Uganda) — with approximately 604 gorillas recorded in the 2015/2016 survey.
As per the leading coalition working on gorilla conservation, the International Gorilla Conservation Programme (IGCP), mountain gorillas remain the only great ape whose population is known to be increasing globally.
Note: Because mountain gorillas roam across forest boundaries, cross-border ranges and dense forest cover, exact numbers are always estimates. New censuses (like the one launched in 2025 for Bwindi-Sarambwe) aim to refine and update these estimates.
Population Trends — A Conservation Success Story
Mountain Gorilla Population Worldwide
Decades ago (1970s–1980s), mountain gorilla numbers had plunged to as low as a few hundred individuals due to poaching, habitat loss, disease, and political instability.
Thanks to sustained conservation efforts — protected areas, anti-poaching patrols, veterinary care, eco-tourism, and community engagement — the population has steadily increased.
In recognition of this recovery, in 2018 their status on the global threat list was revised from “Critically Endangered” to “Endangered.”
Conservationists continue to record births every year; for example, in 2024 the population in certain parts of the wild increased further, despite regional challenges.
The recovery of the mountain gorilla stands as one of the most encouraging success stories in wildlife conservation — a testament that determined protection and sustainable tourism can reverse population declines.
Where Do They Live? — The Only Remaining Mountain Gorilla Habitats
Mountain gorillas are extremely range-restricted. Their entire wild population lives within a tiny area (less than ~780 km²) of isolated, high-altitude tropical forests straddling three countries: Uganda, Rwanda and the Democratic Republic of the Congo (DRC).
The two main habitats are:
Bwindi-Sarambwe ecosystem (Uganda + DRC) — home to roughly 459 gorillas.
Virunga Massif (DRC, Rwanda, Uganda) — about 604 gorillas distributed across mountain forests and volcano-region parks.
These are the only places on Earth where wild mountain gorillas still exist.
Why the Small Number Matters — Threats, Risks, and Long-term Concerns
Even though the population is growing, 1,063 individuals remain a very small total for a species. That creates several serious long-term risks:
Habitat limitation & crowding: The forests where gorillas live are relatively small and surrounded by human-dominated landscapes (farms, settlements, roads). As their numbers grow, space becomes tighter.
Disease risk: Gorillas are vulnerable to diseases — especially those transmitted from humans. With limited gene pool and increasing human-wildlife interaction (e.g. tourism, forest use), disease outbreaks could be devastating.
Poaching, conflict, and habitat encroachment: Illegal hunting, snares, deforestation for agriculture, logging, or mining remain persistent threats, especially in regions with weak governance or instability.
Genetic bottleneck and limited diversity: With such a small global population confined to fragmented forests, there is concern about inbreeding, reduced genetic diversity, and vulnerability to environmental changes.
Therefore, while the upward trend is hopeful, the species remains fragile — and long-term survival depends on continued protection, habitat expansion, and careful management of human-gorilla interactions.
What the Numbers Mean — Why Every Gorilla, and Every Trekker, Matters
The fact that there are “only around 1,000” wild mountain gorillas means each individual counts significantly toward the survival of the species. Loss of even a few could impact long-term viability.
Conservation efforts — including regulated gorilla trekking, habitat protection, anti-poaching efforts, veterinary care — have shown they can work. The population rebound is real.
Responsible tourism (like guided trekking) plays a big role: permit fees, community revenue-sharing, ranger funding, forest protection — all contribute to preserving gorillas and their habitat.
But achieving long-term survival isn’t automatic. It requires vigilance: protecting habitats, reducing human disturbance, managing tourism impact, and monitoring health — especially as population grows.
Looking Ahead: What’s Being Done & What Needs to Be Done
New censuses and monitoring: As of 2025, a fresh census for Bwindi-Sarambwe has been launched — the first since 2018. Results (expected in 2026) will give updated numbers, age/sex structure, and distribution data.
Cross-border conservation collaboration: Because mountain gorillas range across three countries, cooperation between Uganda, Rwanda, and DRC is vital — for habitat corridors, anti-poaching patrols, and shared data.
Community engagement and sustainable tourism: Involving local communities (employment, revenue sharing, conservation education) reduces pressure on forests, lowers human-wildlife conflict, and builds local support.
Habitat protection and expansion: As population grows, the forests need protection from deforestation and land encroachment, and where possible, expansion or connection of fragmented habitat patches. Conservationists warn limited habitat space is already a major challenge. The Guardian
Health monitoring & disease prevention: Strict guidelines for tourists (e.g. distance rules, no close contact, hygiene) are essential, as gorillas are vulnerable to human diseases. Continued veterinarian support and monitoring remain crucial.
Conclusion: Mountain Gorilla Population Worldwide
The fact that there are now about 1,063 mountain gorillas left in the wild — up from a few hundred a few decades ago — is one of the greatest conservation success stories of recent times. It shows that with dedication, international cooperation, and sustainable tourism, endangered species can bounce back.
But 1,063 is still a small number. Their survival depends on continued protection, careful habitat management, and responsible tourism. Every individual gorilla matters and every visitor, every ranger, every conservationist plays a vital role.
If you plan to trek them, or promote gorilla trekking as part of a safari business, you are contributing directly to their survival.