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INSIGHT: Brazil offers lessons for policymakers on optimizing infrastructure investments.

As countries grow, they need better transportation, energy, and communications networks. But how should a country go about prioritizing these investments? Are there synergies from coordinating them? Should they be done simultaneously or sequentially? Two recent World Bank studies focusing on Brazil, a country that has rolled out massive infrastructure investments over the past decades address these questions. Economists tell us that infrastructure is key to development. Not only is infrastructure crucial for people to go about their daily lives, but it also has major impacts on productivity (think, e.g., electrification of production) and access to markets (through faster and cheaper transportation of goods). Even more importantly, infrastructure investments are needed for countries to transition from agrarian to more diversified industrial and service-oriented economies, offering more economic opportunities to improve living standards and reduce poverty. 3 KEY POLICY INSIGHTS FROM BRA

REVIEW : 5 Countries Are Responsible for Half of Africa’s GDP

In 2024, Africa's gross domestic product (GDP) stands at $2.8 trillion, representing the combined economic output of its 1.4 billion people. However, this productivity is unevenly distributed.

The "Big Five" African economies—South Africa, Egypt, Algeria, Nigeria, and Ethiopia—account for a combined GDP of $1.4 trillion. This group comprises 569 million people, roughly 44% of the continent's population. In contrast, the remaining 48 countries in Africa collectively contribute another $1.4 trillion to the continent's GDP.

It's worth noting that the Big Five economies exhibit economic disparities among themselves.

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