Life Table Calculator
Create a complete life table with survivorship, mortality, fecundity, and reproductive parameters.
Life Table Data
Enter comma-separated survivor counts starting from age 0
Enter comma-separated fecundity values (offspring per individual)
Key Parameters:
R₀ = Σ(lx × bx) - Net reproductive rate
T = Σ(x × lx × bx) / R₀ - Generation time
r = ln(R₀) / T - Intrinsic rate
Net Reproductive Rate (R₀)
4.425
Population Growing
Generation Time (T)
3.28
Life Expectancy
3.30
Intrinsic Rate (r)
0.4531
Finite Rate (λ)
1.5732
Complete Life Table
| x | nx | lx | qx | bx | lx×bx |
|---|---|---|---|---|---|
| 0 | 1000 | 1.000 | 0.200 | 0.00 | 0.000 |
| 1 | 800 | 0.800 | 0.250 | 0.00 | 0.000 |
| 2 | 600 | 0.600 | 0.333 | 2.00 | 1.200 |
| 3 | 400 | 0.400 | 0.375 | 4.00 | 1.600 |
| 4 | 250 | 0.250 | 0.400 | 4.00 | 1.000 |
| 5 | 150 | 0.150 | 0.500 | 3.00 | 0.450 |
| 6 | 75 | 0.075 | 0.667 | 2.00 | 0.150 |
| 7 | 25 | 0.025 | 0.800 | 1.00 | 0.025 |
| 8 | 5 | 0.005 | 1.000 | 0.00 | 0.000 |
| 9 | 0 | 0.000 | 0.000 | 0.00 | 0.000 |