Ethel Caterham 117-Year Longevity Simulator Surrey, UK • Age 117

1909 UK Birth Cohort (944,000 infants) → 1 Living Supercentenarian in 2026

Active Year / Age

2026 (Age 117)

Days Lived

42,735

Surviving 1909 UK Cohort

1 / 944,000

Cohort Survival %

0.00000106%

Gompertz Hazard Rate μ(x)

0.58 / yr

Year: 2026

1909 Cohort Survival & Gompertz-Makeham Mortality Curve

Gompertz Model + Historical Deceleration

Demographic Counterfactual: Extreme Longevity Hazard Deceleration (Past 105)

At supercentenarian ages (110+), annual mortality rates plateau near ~50-60% per year rather than escalating infinitely.

7 World Historical Eras Traversed

Era 7 of 7

Current Context: Living in Surrey, UK as the verified world's oldest living person at age 117.

Demographic Record: Ethel Caterham • Born: Aug 1909 (Hampshire/Surrey, UK) • Current Status: Age 117 (2026) • Cohort Odds: 1 in ~944,000 UK births