In Victorian England, roughly 1 in 5 to 1 in 6 babies died before reaching their first birthday, depending on the decade and whether they lived in a city or rural area. In some heavily industrial towns, infant deaths could be closer to 1 in 4 births during the worst years of the mid‑19th century.

What “how many died” means

Historians usually talk about infant mortality rate , meaning deaths under age 1 per 1,000 live births.

  • In mid‑19th‑century England and Wales, typical rates were about 140–160 deaths per 1,000 births (so about 1 in 7 to 1 in 6).
  • In some industrial places like Stoke‑on‑Trent, rates often reached 180–200 per 1,000 , and in bad years even around 220 per 1,000 (over 1 in 4).

Variation across the Victorian era

Victorian Britain runs roughly from the late 1830s to 1901, and the risk was not identical all the way through.

  • Around 1850–1870, infant mortality was especially high and stubborn , with little improvement even as adult death rates slowly fell.
  • Only toward the very end of the 19th century and early 20th century did infant mortality finally begin a clear decline , moving closer to 100 deaths per 1,000 births (about 1 in 10).

Why so many infants died

Several overlapping factors made infancy extremely dangerous by modern standards.

  • Infectious diseases (diarrhoea, measles, whooping cough, respiratory infections) were leading killers of babies.
  • Poor housing, overcrowding, contaminated water and inadequate sewage systems drove up infection risk in rapidly growing cities.
  • Unsafe infant feeding (e.g., unboiled cow’s milk, bottle‑feeding with badly cleaned equipment) increased deaths from gastrointestinal disease.
  • Prematurity and general debility in newborns also accounted for a noticeable share of infant deaths.

How this compares to today

By modern standards, Victorian infant mortality was extraordinarily high.

  • Today, the United Kingdom’s infant mortality rate is only a few deaths per 1,000 live births, compared with 150–200 per 1,000 in much of Victorian England.
  • That means a Victorian baby was dozens of times more likely to die before age 1 than a baby born in the UK in the 21st century.

TL;DR: In Victorian England, somewhere around 1 in 5 to 1 in 6 babies died before their first birthday on average, with the worst industrial areas and years reaching close to 1 in 4.

Information gathered from public forums or data available on the internet and portrayed here.