This article looks at foreign direct investment in six different countries: China, India, Malaysia, Mexico, Ireland, and Sub-Saharan Africa. The researchers examine how foreign investment impacts industrial development in these regions. Key findings include the significant role of foreign investment in China's economy, the growth of India's tech industry due to foreign investment, Malaysia's industrial development through inward investment, Mexico's manufacturing sector boosted by foreign investment, Ireland's success in attracting foreign companies, and the challenges faced by Sub-Saharan Africa in attracting foreign investment.