Each week, we'll share with you some of the most compelling numbers in our studies.
$14 billion
Russia earned about $467 million per day, or $14 billion overall, from its oil sales during the month of July.
SOURCE: "The Russia Oil Surcharge: Anticipating the Benefits and Challenges" by CSIS's Clayton Seigle.
70 percent
As of 2025, there are around 10,000 active satellites orbiting the Earth. Over 70 percent of these satellites are owned and operated by a single U.S. company: SpaceX.
SOURCE: "How Can the U.S. Government Safeguard Commercial Satellites from Threats?" by CSIS's Clayton Swope.
1.13 per year
The United States has fallen significantly behind in the acquisition and sustainment of its submarine fleet. In 2024, the United States built Virginia-class submarines at a rate of roughly 1.13 per year.
SOURCE: "The AUKUS Inflection: Seizing the Opportunity to Deliver Deterrence" by CSIS's Abraham M. Denmark and Charles Edel.
21 islets
Vietnam has expanded its island-building efforts since the start of 2025. All 21 Vietnamese-occupied rocks and low-tide elevations in the Spratly Islands have now been expanded to include artificial land.
SOURCE: "No Islet Left Behind: Vietnam Reclaims Land at Every Remaining Spratley Outpost" by the CSIS Asia Maritime Transparency Initiative.
By the Numbers is composed weekly by Lauren Adler and the External Relations team.
The Center for Strategic and International Studies (CSIS) is a bipartisan, nonprofit organization founded in 1962 and headquartered in Washington, D.C. It seeks to advance global security and prosperity by providing strategic insights and policy solutions to decisionmakers.