AP Geography Unit VI Overview
Industrial and Economic Development Patterns
The global economy is a web of factories, services, energy flows, and investments—and geography helps us untangle it. In Unit 6: Industrial and Economic Development Patterns and Processes, we explore how industries spread, how countries grow, and why some regions thrive while others lag behind.
Let’s break it down.
I. The Industrial Revolution: A Game-Changer
The Industrial Revolution began in 18th-century England and transformed how goods were made. It replaced manual labor with machines, creating factories, urbanization, and global trade shifts. Key innovations included the steam engine, mechanized textile production, and iron smelting.
It spread to:
- Western Europe and North America (19th century),
- Japan (early 20th century),
- Developing countries (mid to late 20th century).
The revolution changed landscapes—from countryside farms to urban industrial centers—and laid the groundwork for today’s global economy.
II. Sectors of the Economy
Economic activities fall into five sectors:
- Primary: Extracting resources (farming, mining, fishing)
- Secondary: Manufacturing goods (factories, construction)
- Tertiary: Providing services (retail, healthcare, banking)
- Quaternary: Knowledge-based (research, IT, education)
- Quinary: High-level decision-making (CEOs, government leaders)
As countries develop, they shift from primary and secondary sectors to tertiary and above. Think of it as the economy leveling up over time.
III. Measuring Economic Development
We use several indicators to measure development:
- Gross Domestic Product (GDP): Total value of goods/services produced in a country.
- Gross National Income (GNI): GDP plus income earned abroad.
- Human Development Index (HDI): Combines life expectancy, education, and income.
Other indicators:
- Gender Inequality Index (GII): Measures female empowerment and inequality.
- Literacy rate, access to healthcare, infant mortality, and energy use also reflect development levels.
Generally, MDCs (More Developed Countries) have higher HDI and GNI; LDCs (Less Developed Countries) face challenges like poor infrastructure and limited education access.
IV. Theories of Development
Geographers use models to understand economic patterns:
1. Rostow’s Stages of Economic Growth:
- Traditional Society (subsistence farming)
- Preconditions for Takeoff (infrastructure starts)
- Takeoff (rapid industrial growth)
- Drive to Maturity (diversification)
- Age of Mass Consumption (high services, consumer goods)
Rostow’s model assumes all countries follow a Western path—but real-world development varies.
2. Wallerstein’s World-Systems Theory:
- Core: Developed, dominant (U.S., Germany)
- Semi-periphery: In-between (China, Brazil)
- Periphery: Less developed, exploited (many African nations)
This theory shows how global inequality persists, with core countries benefiting most from international trade.
V. Industrial Location and Site/Situation Factors
Industries locate where costs are minimized and profits maximized. Alfred Weber’s Least Cost Theory says location depends on:
- Transportation costs
- Labor availability
- Agglomeration: Businesses clustering for shared benefits
Site factors:
- Land availability and cost
- Labor (cheap or skilled)
- Capital investment (access to funding)
Situation factors:
- Proximity to markets or resources
Example: Car factories near steel suppliers and urban customers.
VI. Patterns of Industrialization
Traditional industrial regions:
- U.K. and Ruhr Valley: Early coal and iron centers
- Great Lakes (U.S.): Steel, auto manufacturing
Recent shifts:
- East Asia (China, South Korea): Major global factories
- Southeast Asia (Vietnam, Indonesia): Low-cost production zones
- Latin America (Mexico’s maquiladoras): Export-oriented manufacturing near U.S.
These shifts reflect globalization and outsourcing—relocating jobs to cheaper labor markets.
VII. Globalization and Economic Interdependence
The modern economy is globalized:
- Multinational corporations (MNCs) operate worldwide (Apple, Nestlé).
- Trade blocs like the EU, NAFTA/USMCA, and ASEAN connect economies.
- Special Economic Zones (SEZs) offer relaxed laws to attract industry (e.g., Shenzhen, China).
Global supply chains link distant countries—one iPhone might include parts from six nations. But this interdependence also makes economies vulnerable to disruptions, like pandemics or wars.
VIII. Development Challenges and Opportunities
Key challenges:
- Debt traps in developing countries
- Brain drain: skilled workers emigrating
- Neocolonialism: economic control by former colonial powers
- Informal economy: unregulated jobs (e.g., street vending) dominate in many LDCs
Opportunities:
- Microloans empower small entrepreneurs, especially women.
- Sustainable development combines economic growth with environmental care.
- Tourism and ecotourism bring income to remote areas (but must be managed sustainably).
IX. The Role of Gender in Development
Empowering women transforms economies:
- In LDCs, women often lack land rights, education, and credit access.
- In MDCs, gender gaps still exist in wages and leadership roles.
Rising female education and labor force participation boost HDI and economic productivity. Development is stronger when it includes everyone.
X. Why This Unit Is Essential
Unit 6 helps us understand how geography shapes wealth—and inequality. From the textile mills of Manchester to the chip plants in Taiwan, location matters. It teaches students to question: Who makes the stuff we buy? Why are some countries rich? How does a factory in Vietnam impact workers in Detroit?
With globalization, sustainability, and innovation reshaping our world, economic geography is more relevant than ever.

