According to Bing Copilot AI:

Here’s a breakdown of monkey species across the official IUCN Red List categories as of 2025:

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🧭 IUCN Red List Categories for Monkeys (2025)

| IUCN Category | Number of Monkey Species

| Least Concern (LC) | ~130

| Near Threatened (NT) | ~40

| Vulnerable (VU) | ~60

| Endangered (EN) | ~50

| Critically Endangered (CR) | ~25

| Data Deficient (DD) | ~20

| Extinct in the Wild (EW) | 0–1

| Extinct (EX) | 0–1

> These figures are estimates based on IUCN assessments and primate conservation reports from 2023–2025

(https://www.iucnredlist.org/en?citationMarker=43dcd9a7-70db-4a1f-b0ae-981daa162054 )

(https://thejuniorage.com/animals/the-worlds-most-endangered-monkeys-and-apes/?citationMarker=43dcd9a7-70db-4a1f-b0ae-981daa162054) .