Survivorship Curve Calculator
Generate Type I, II, or III survivorship curves and analyze survival patterns across age classes.
Curve Parameters
Survivorship (lx): Proportion surviving to age x
lx = Nx / N0
Type I Survivorship
3917.7
life expectancy at birth
Median Lifespan
49
Avg Mortality
5.7%
Curve Description
Low mortality until old age. Typical of humans, elephants, and other K-selected species.
Survivorship Data
AgeSurvivorslxqx
010001.0000.000
410001.0000.000
810001.0000.000
129970.9970.001
169920.9920.002
209810.9810.003
249600.9600.006
289280.9280.010
328800.8800.015
368150.8150.022
407320.7320.029
446330.6330.039
485230.5230.051
524100.4100.064
563010.3010.080
602060.2060.096
641290.1290.116
68740.0740.129
72380.0380.156
76170.0170.190
8070.0070.222
Survivorship Curve (Log Scale)
Age 0Age 80
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.