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What was the life expectancy in the year 900?

5 min read

In the Early Middle Ages, the overall life expectancy at birth was drastically different from today, typically estimated between 30 and 35 years. So, what was the life expectancy in the year 900, and why was this figure so low?

Quick Summary

The average life expectancy around 900 AD was heavily skewed by high infant and child mortality rates, causing the average to hover around 30-35 years at birth. Those who survived childhood, however, had a significantly higher chance of living into their 50s and 60s, a crucial nuance often missed in casual historical interpretations.

Key Points

  • Life Expectancy vs. Lifespan: The life expectancy around 900 AD was heavily skewed by high infant mortality, with a statistical average of 30-35 years at birth.

  • Survivors Lived Longer: Individuals who survived childhood had a significantly better chance of reaching their 50s, 60s, or even older, contrary to the myth that everyone died young.

  • Infant Mortality was a Major Factor: Up to a third of children may have died before age one, with almost half dying before age five, drastically lowering the overall average.

  • Key Threats to Longevity: Widespread infectious diseases, frequent famines, localized violence, and dangerous childbirth practices were primary causes of premature death.

  • Status Determined Fate: A person's social class and wealth played a significant role, influencing their diet, living conditions, and susceptibility to disease.

  • Historical Estimates are Complex: Because systematic records from the 10th century are absent, historians rely on diverse sources like archaeological remains, elite records, and demographical analysis to form estimates.

In This Article

Early Medieval Life Expectancy: A Deceptive Average

When examining what the life expectancy in the year 900 was, it's essential to understand that the figure is a statistical average heavily influenced by a single factor: high infant and child mortality. For example, in the Anglo-Saxon period spanning up to 1000 AD, archaeological evidence from cemeteries shows a lack of individuals living past age 45, though a few lived longer. This does not mean that most people dropped dead in their 30s. Instead, a large portion of the population died within the first few years of life, which drags down the overall statistical average. If an individual survived the perilous early years of childhood, their chances of living a longer life—often into their 50s or 60s—increased considerably.

Causes of High Mortality in the 10th Century

Life in the 10th century was fraught with risks that contributed to low average lifespans. For infants and children, the dangers were particularly severe. Poor sanitation, malnutrition, and a constant assault of infectious diseases meant that only a fraction of children survived to adulthood. For the adults who made it, a new set of risks awaited, each capable of cutting life short prematurely.

  • Infectious Diseases: Medieval people lived in a constant battle against pathogens. Diseases such as tuberculosis, smallpox, dysentery, and viral pulmonary infections were common and deadly, especially when weakened by other factors. There were also waves of pestilence, though the most famous, the Black Death, came centuries later.
  • Famine and Malnutrition: An unreliable food supply, driven by variable weather and simple agricultural methods, meant famine was a constant threat. The resulting malnutrition weakened immune systems, making people more susceptible to illness.
  • Conflict and Violence: The Early Middle Ages, particularly the era of Viking raids, was a period of frequent and localized warfare. Whether a warrior or a peasant caught in the crossfire, violence was a major cause of early death for men, with wounded individuals often succumbing to infection.
  • Childbirth: For women, childbirth was a significant and ever-present danger. Without modern medical knowledge, complications during delivery often resulted in the death of the mother or child.

Life Expectancy vs. Lifespan: A Necessary Distinction

The misunderstanding surrounding medieval life expectancy stems from confusing the statistical average with an individual's potential lifespan. A person born in the year 900 who navigated the treacherous waters of infancy and childhood, avoided famine and disease, and survived the risks of adulthood could realistically expect to live many more decades. Historical records and archaeological finds of individuals living into their 60s and 70s support this, especially among the nobility or well-fed populations. The average figure is not a limit, but a reflection of a society where life was fragile, particularly for the young.

Social Class and Location: Key Variables

Not everyone in the year 900 faced the same odds. An individual's life expectancy was profoundly shaped by their social status and geographical location. Wealth and power did not guarantee longevity, but they did offer certain advantages over the poorest populations.

Factor High-Status Individuals (Nobility, Monks) Low-Status Individuals (Peasants, Thralls)
Diet More varied diet with access to more protein, reducing malnutrition-related issues. Limited, monotonous diet primarily based on grains, increasing vulnerability during famine.
Shelter Lived in more robust structures, offering better protection from the elements. Dwelt in less durable housing, more exposed to the risks of harsh weather and infectious disease.
Hygiene While far from modern standards, wealthier individuals sometimes had better access to baths and personal cleaning supplies. More limited access to hygiene resources; lived in closer quarters with livestock, increasing pathogen exposure.
Risk of Violence Male nobility often faced risks from warfare, feuds, and tournaments. Peasants faced risks from raiding, local conflicts, and hard labor.
Medical Care Could afford the limited and often ineffective medical treatments of the time. Relied on herbal remedies, folk cures, and basic first aid, often with poor results.

Beyond the Numbers: Life in the Early Middle Ages

The Early Middle Ages was a period of demographic stability at a low level following a previous population decline, with intermittent growth from the 8th to the 10th century. The year 900 falls within this stable, but sparsely populated, period. The society was primarily agrarian, with a constant cycle of labor dictated by the seasons. The sparse population in places like Scandinavia actually led to higher life expectancies than in densely populated, and therefore more disease-prone, cities further south. People's lives were structured around community, family, and religious faith, with daily life consisting of manual labor, farming, and domestic tasks. The concept of old age was recognized, as illustrated by Dante's later work which referenced being middle-aged in one's 30s, indicating an expectation to live into the 60s or 70s if one survived early life.

How Historians Estimate Medieval Lifespans

Given the lack of systematic birth and death records from the 10th century, medieval demographers must rely on various sources to estimate life expectancy, which is why there can be some disagreement in the figures. These sources include:

  1. Archaeological Data: Analysis of skeletal remains from burial sites can provide estimates of age at death for a population, though determining precise ages for older individuals is difficult.
  2. Administrative and Ecclesiastical Records: Records like wills, land ownership changes, and memorial records from churches offer snapshots of individual lifespans, particularly for the elite.
  3. Hearth Countings: Though primarily for tax purposes, these records can provide insight into household size and, by extension, population dynamics.
  4. Economic Data: Trends in food prices and wages can indicate periods of famine or population stress.

These combined sources paint a clearer, more nuanced picture than a single average number could ever provide. To learn more about how historical population dynamics are studied, consider reading about the science of medieval demography.

Conclusion

For an individual living around the year 900, the high average life expectancy of 30-35 years was a stark reality driven by the enormous toll of infant and childhood mortality. However, for those fortunate enough to survive the most dangerous early years, a much longer lifespan was a real possibility. Health was surprisingly robust for survivors in the early medieval period compared to later centuries, which saw increased population density and disease. This historical perspective reminds us that our modern understanding of longevity, health, and aging is a recent privilege, built upon centuries of progress in sanitation, nutrition, and medical science.


Note: The Early Middle Ages was a complex period, and life expectancy varied considerably by region, social status, and gender. The figures and details provided here are general estimates based on available historical and archaeological evidence. The high average death rate should not overshadow the existence of long-lived individuals who beat the odds.

Frequently Asked Questions

Life expectancy at birth is a statistical average of how long a person is expected to live from the moment they are born, factoring in all deaths, including infant mortality. Lifespan refers to the actual duration of a specific individual's life. In the year 900, the average life expectancy was low due to high infant mortality, but a person's potential lifespan if they survived childhood was much longer.

Hygiene practices were vastly different and far less understood than today. While medieval people were not completely unfamiliar with cleanliness, and practices like handwashing existed, the lack of understanding of germs and modern sanitation meant that pathogens spread easily, especially in more populated areas.

Higher social status and wealth offered certain advantages, such as a more varied and nutritious diet, potentially better housing, and a lower risk of famine. However, nobility still faced significant risks from warfare, and wealth did not immunize them against the prevalent diseases of the time.

No, this is a common misconception. While the statistical average was low, people in their 30s were not considered old. Individuals who survived childhood were seen as mature adults and often lived into their 50s, 60s, and beyond. There are references and evidence of older individuals in medieval society.

Frequent famines, caused by poor weather or agricultural shortfalls, led to widespread malnutrition. This not only directly caused starvation but also severely weakened immune systems, making people more vulnerable to infectious diseases that often followed in the wake of famine.

The main drivers of the low average life expectancy were very high infant and child mortality rates, dangerous childbirth for women, lack of medical science, prevalence of infectious diseases, and the constant threat of famine and localized violence.

For inhabitants of Scandinavia around 900 AD (the Viking Age), the average life expectancy was often cited as being just below 40, including infant mortality. However, regional variations, harsh winters, and the dangers of a raiding lifestyle meant that life was still precarious. Interestingly, the sparse population in Scandinavia meant fewer epidemics compared to more crowded cities elsewhere.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider regarding personal health decisions.