South Africa assumed the G20 Presidency for 2025 with the theme 'Solidarity, Equality, Sustainability'. The theme is important because it places development-oriented concerns, fairness, and long-term sustainability at the centre of global economic governance. The presidency identified four priority areas: disaster resilience, debt relief, climate finance, and just energy transitions. The official priority frame also highlights debt sustainability for low-income countries and the development needs of Africa and the Global South. In prelims, the 2025 presidency, theme, and four priorities can be tested as direct facts. Disaster resilience links climate-induced shocks with recovery and reconstruction capacity. Debt relief connects with the fiscal space of low-income economies, development expenditure, and the role of global financial institutions. Climate finance and just energy transitions raise the question of how developing economies can meet energy needs while moving toward cleaner growth. The India connection is also relevant because South Africa's 2025 presidency builds on India's G20 legacy from 2023. For RAS and UPSC-style preparation, prelims questions may test the 2025 presidency, its theme, and its priority areas, while mains answers can use the issue in discussions on the Global South, climate finance, debt stress, and multilateral cooperation. The static-GK linkage should be read with G20 presidency, economic cooperation, development finance, and energy transition. In current-affairs notes, it should be studied as continuity after India's 2023 presidency because it clarifies the relationship between development, finance, and environment in multilateral forums.