Andean Population Data (1945-present CE)

Population data for Andean civilization during the modern period (1945-present CE), showing rapid population growth, demographic transition, and urbanization.

Andean

Overview

Population data for Andean civilization during the modern period (1945-present CE), covering rapid population growth, demographic transition, and urbanization in Peru, Bolivia, Ecuador, and Colombia.

Total Population (millions)

• 1945 CE: ~25-30 million
• 1950 CE: ~30-35 million
• 1970 CE: ~55-65 million
• 1990 CE: ~85-95 million
• 2010 CE: ~110-120 million
• 2020 CE: ~120-130 million

Population Growth Rate (% per year)

• 1945-1950 CE: ~2.5-3.0% (high growth)
• 1950-1970 CE: ~2.5-3.0% (high growth)
• 1970-1990 CE: ~2.0-2.5% (moderate-high growth)
• 1990-2010 CE: ~1.5-2.0% (moderate growth, demographic transition)
• 2010-2020 CE: ~1.0-1.5% (moderate growth, demographic transition)

Population Density (per km²)

• 1945 CE: ~8-10 people/km²
• 1950 CE: ~10-12 people/km²
• 1970 CE: ~18-22 people/km²
• 1990 CE: ~28-32 people/km²
• 2010 CE: ~35-40 people/km²
• 2020 CE: ~38-42 people/km²

Post-War Period (1945-1970 CE)

• Rapid Growth: High population growth, demographic expansion
• High Birth Rates: High birth rates, declining death rates
• Rural Majority: Rural majority, limited urbanization
• Demographic Transition: Beginning demographic transition

Development Period (1970-1990 CE)

• High Growth: Continued high population growth
• Demographic Transition: Demographic transition, declining birth rates
• Urbanization: Rapid urbanization, urban growth
• Population Expansion: Continued population expansion

Contemporary Period (1990-2020 CE)

• Moderate Growth: Moderate population growth, demographic transition
• Declining Birth Rates: Declining birth rates, aging population
• Urbanization: High urbanization, urban majority
• Demographic Stability: Demographic stability, slower growth

vs. Western/Atlantic

• 1945 CE: ~10-12% of Western/Atlantic population
• 2020 CE: ~18-20% of Western/Atlantic population
• Growth: Faster population growth, but lower absolute levels

vs. Sinitic

• 1945 CE: ~6-7% of Sinitic population
• 2020 CE: ~8-9% of Sinitic population
• Growth: Similar population growth rates

Pattern Relevance

• Social Structure Transformation Over Time: Population growth, demographic transition, social change
• Environmental Adaptation and Civilizational Resilience: Population pressure, resource management
• Economic Specialization and Division of Labor: Population and economic development