Adjust the parameters to explore how a population and its number of children change over successive generations.
Settings7 parameters
Projection12 generations · 396 years
Outcomeover 396 years
Projected population30
Total children born939
Total people died1,909
Peak population (year 0)1,000
How this model works+−
Start population is the number of people alive at generation 0.
Parent fraction is the share of the current population that becomes parents. From these parents we form couples and apply kids per couple to get new children in that generation.
Generations is how many times this birth/death step is repeated. Each generation advances time by years per generation, which defines the spacing on the X axis.
Lifespan removes any cohort once its age reaches the chosen number of years. These removals appear in the deaths line.
Death rate per generation removes an additional percentage of the alive population every generation, on top of lifespan-based deaths.