| Name | Description |
|---|---|
| Agricultural input per hectare | |
| Birth and death rates | |
| Birth factors of WORLD3 model | |
| Change in agricultural input | |
| Change in delayed labor utilization fraction | |
| Change in perceived food ratio | |
| Current agricultural input | |
| Number of people dying from a given group | |
| Desired complete family size | |
| Expected family income | |
| Effective fertility continuation | |
| Fraction of industrial output allocated to industry | |
| Total produced food | |
| Gross domestic product index | |
| Human ecological footprint | |
| Human welfare index | |
| Industrial output | |
| Land development rate | |
| Land fertility regeneration | |
| Land removal for urban/industrial use | |
| Life expectancy multiplier due to crowding | |
| Life expectancy multiplier due to health services | |
| Agricultural input for marginally producing land | |
| Development of marginally producing land | |
| Number of people switching groups | |
| Need for fertility continuation | |
| Percentage of effective pollution technology change | |
| Percentage of effective resource technology change | |
| Pollution intensity index | |
| Persistent pollution assimilation rate | |
| Persistent pollution generated by agricultural output | |
| Persistent pollution generated by industrial output | |
| Persistent pollution generation rate | |
| Persistent pollution technology change rate | |
| Non-recoverable resource technology change rate | |
| Average life of service sector capital | |
| Average life of industrial capital | |
| Average life of service sector capital | |
| Fraction of industrial output allocated to agricultural sector | |
| Fraction of industrial output allocated to consumption | |
| Fraction of industrial output allocated to consumption | |
| Fraction of industrial output allocated to service sector | |
| Fraction of capital allocated to resource use efficiency | |
| Industrial capital output ratio | |
| Indicated food per capita | |
| Fraction of per capita indicated output allocated to service sector | |
| Land Life Yield Factor | |
| Land yield factor | |
| Non-recoverable resource utilization factor | |
| Persistent pollution generation factor | |
| Service sector capital output ratio | |
| Air pollution factor on agricultural yield | |
| Service sector output | |
| Total fertility | |
| Yield technology change rate |