Altograph Analytics

Global Voluntary Carbon Credit Market

Interactive analysis of the voluntary carbon offset market — 10,975 projects, 2.55 billion credits issued across 5 registries and 100+ countries, spanning 1996–2025.

Data: Berkeley Carbon Trading Project — Voluntary Registry Offsets Database v2025-12 (year-end)
Total Projects
10,975
Across all registries
Credits Issued
2.55B
tCO₂e total
Credits Retired
1.46B
57.4% retirement rate
Credits Remaining
1.08B
Available in market

Credits by Vintage Year

Annual credits issued, retired, and remaining — showing market growth from 2004 onward
Peak issuance: 226M credits (2019) 2024 retirements exceed issuance Market grew 360x from 2004 to 2019

Credits by Registry

Distribution across the 5 major voluntary registries

Credits by Scope

Project categories driving credit generation

Credits Issued vs. Retired by Region

Geographic distribution of carbon credit activity

Top Project Types

By total credits issued (tCO₂e)

Top Countries

By total credits issued (tCO₂e)

Reduction vs. Removal

Emission reductions dominate; long-duration removals are nascent

Top 10 Countries by Projects

Project count and total credits issued
CountryProjectsCredits Issued