The Emerging Two-Sphere World
For over three decades following the Cold War, the international system operated under what analysts commonly describe as a unipolar order. That era is now giving way to a different configuration. According to the 2025 Munich Security Report, the world is witnessing a process of "multipolarization" — a structural shift in which multiple centres of power increasingly shape global politics, economics, and security.
Many geopolitical analysts observe it through a simplified lens: the gradual emergence of two broad spheres of influence. One is anchored by the United States and its network of G7 and NATO allies. The other is coalescing around the BRICS+ grouping and its expanding network of partner nations across the Global South and Eurasia.
This page summarises these structural trends using publicly available data and institutional sources. It is presented as an informational overview — not political commentary.
The Growth of BRICS (2023–2025)
The BRICS grouping — originally comprising Brazil, Russia, India, China, and South Africa — has undergone a historic expansion.
August 2023 — Johannesburg Summit
BRICS invites six nations to join: Egypt, Ethiopia, Iran, the UAE, Saudi Arabia, and Argentina. Argentina later declines under a new government.
January 2024 — New Members Join
Egypt, Ethiopia, Iran, and the UAE officially become BRICS members, expanding the group from five to nine active members.
October 2024 — Kazan Summit
Russia hosts the summit and introduces a "partner country" status. Thirteen nations receive invitations, including Algeria, Indonesia, Kazakhstan, Malaysia, Nigeria, Thailand, Turkey, and Vietnam.
January 2025 — Indonesia Joins
Indonesia formally becomes the tenth full BRICS member — Southeast Asia's largest economy.
BRICS+ by the Numbers
Note: GDP figures are based on Purchasing Power Parity (PPP). In nominal U.S.-dollar terms, BRICS' share is approximately 29% in 2024.
Why BRICS Expansion Matters
Institutional Challenge
BRICS members founded the New Development Bank (NDB) in 2014 as an alternative to the World Bank and IMF. The expansion adds new shareholders and borrowers, strengthening its capacity as a development finance alternative.
Commodity Power
With the addition of major oil producers and agricultural economies, BRICS+ members collectively control significant shares of global energy, food, and mineral production.
Global South Solidarity
The expansion reflects a broader desire among developing nations for greater representation in global governance. BRICS summits have consistently called for reform of the UN Security Council and IMF voting structure.
The U.S., G7, and Western Institutions
The G7's share of global GDP (PPP) has declined from over 40% in 2000 to below 30% by 2024. Despite this relative decline, G7 nations retain dominant positions in global financial infrastructure, including SWIFT, the U.S. dollar's role as the primary reserve currency, and governance structures of the IMF and World Bank.
The Re-Emergence of Two Global Spheres
Sphere A — Western Alignment
- United States & G7 nations
- NATO & Indo-Pacific alliances
- IMF, World Bank, SWIFT
- U.S. dollar reserve system
- EU & Five Eyes intelligence
- Trade sanctions architecture
Sphere B — BRICS+ & Global South
- BRICS+ 10 members & partners
- New Development Bank (NDB)
- SCO, Belt & Road Initiative
- De-dollarisation initiatives
- Commodity & energy alliances
- Global South governance reform
Sources & References
- House of Commons Library (UK Parliament) — "The BRICS group: Overview and recent expansion," April 2026.
- European Parliament Research Service — "Expansion of BRICS: A quest for greater global influence?" 2024.
- Konrad Adenauer Stiftung — "BRICS expansion," 2024.
- Munich Security Conference — "MSR 2025, Chapter 1: Multipolarization," February 2025.
- IMF / BRICS Brazil Presidency — "BRICS GDP outperforms global average," April 2025.
- Visual Capitalist — "G7 vs. the World," July 2025.
- Statista — G7 combined GDP data, 2025.
- Andaman Partners — "BRICS: Transforming Global Economic Power," June 2025.
- Amundi Research — "Multipolar World In Action 2025," September 2025.
- NEXT IAS — "A Multipolar World with Bipolar Characteristics," December 2025.