Final answer:
Using Rostow's Model of Economic Development, we categorize the US and Australia as Stage 5, China between Stages 4 and 5, Mexico and India as transitioning between Stages 3 and 4, and Chad and Angola as Stage 2.
Step-by-step explanation:
Rostow's Model of Economic Development and Country Classification
According to Walt Rostow's model, societies move through five stages of economic development. This model is a way to understand the transition from a traditional agrarian economy to a modern consumer economy, with disparities in wealth and development defining the trajectory of nations.
Based on Rostow's Model, the United States and Australia would be categorized as Stage 5 - Age of High Mass Consumption. These countries have highly urbanized societies with consumer-driven economies, high standards of living, advances in technology, and small family sizes. China is a bit more complex; while it has large urbanized areas and booming industries, it can be considered transitioning between Stage 4 - Drive to Maturity and Stage 5, due to its significant industrialization and growing consumption, but still dealing with developmental disparities.
Mexico and India can be seen as in Stage 3 - Take-off or moving towards Stage 4. They have emerging markets with growing industrial sectors and improving standards of living, although still facing challenges with poverty and human capital development needs. Chad and Angola, on the other hand, are likely in Stage 2 - Preconditions for Take-off as they have economies that rely significantly on agriculture and primary activities, with some evidence of beginning to develop a framework for future industrialization.
These classifications are generalizations, and the Rostow model oversimplifies complex economic realities. Nonetheless, it offers a baseline framework for understanding different countries' developmental statuses within the global economy.