INTERNATIONAL UNION OF GEOLOGICAL SCIENCES, of Reston, VA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $630K in revenue, $726K in expenses, $1.3M in total assets.
IUGS promotes development of the geosciences through the support of broad-based scientific studies, technical comissinos and scientific conferences, to apply the results of these and other studies to preserve the natural environment, to strengthen public awareness of geology and advance geological education in the widest sense.
How International Union of Geological Sciences divides every $100 it spends, from its own Form 990 filings, averaged across 4 years.
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Plus 1 more program. Cost per person served and the full program breakdown are on the full profile.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $630K | $726K | $1.3M |
| 2024 | $541K | $792K | $1.4M |
| 2023 | $710K | $745K | $1.6M |
| 2022 | $534K | $643K | $1.7M |
Between 2022 and 2025, reported annual revenue grew from $534K to $630K (+18%), with total assets most recently reported at $1.3M.
Interactive year-over-year charts and full filing details available with membership.
