Century vs. Decade: Know the Difference
By Shumaila Saeed || Updated on December 25, 2023
A century is a period of 100 years, while a decade is a period of 10 years.
Key Differences
A century encompasses a time span of 100 years, often used to refer to distinct historical periods. A decade, comparatively, covers a period of 10 years, marking shorter historical or personal milestones.
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Centuries are significant markers in history, often defining eras and cultural shifts. Decades, while shorter, also demarcate important historical, cultural, and social changes but on a smaller scale.
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In historical studies, a century serves as a major unit of time to analyze long-term developments. A decade, being a smaller unit, is often used to study more immediate, short-term trends.
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Each century comprises ten decades, highlighting how decades combine to form larger historical blocks. In contrast, a single decade represents only a fraction of a century, offering a more focused snapshot of time.
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Centuries are often named after their chronological order (e.g., 20th century), signifying broader time frames. Decades, on the other hand, are frequently referred to by their ending year (e.g., the 1980s), reflecting more specific periods within a century.
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Comparison Chart
Historical Significance
Marks long-term developments and eras
Highlights shorter-term trends and changes
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Use in Studies
Used for analyzing broad historical changes
Ideal for studying more immediate trends
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Naming Convention
Named after chronological order (e.g., 21st century)
Often referred to by their ending year (e.g., the 1990s)
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Century and Decade Definitions
Century
Used metaphorically to refer to a long period.
It's been a century since we last met.
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Decade
A period of 10 years.
The first decade of the 2000s saw major technological advancements.
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Century
A specific historical period.
The 16th century witnessed the Renaissance in Europe.
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Decade
A specific ten-year period in history.
The 1960s decade is known for its cultural revolutions.
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Century
A term used to denote 100 of anything.
He celebrated his century of wins in chess.
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Decade
A term used in discussions of time and history.
She studied the fashion trends of the last decade.
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Decade
Used to describe a personal ten-year period.
His first decade in the city was challenging.
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Century
Each of the successive periods of 100 years before or since the advent of the Christian era.
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Decade
Sometimes used metaphorically for a significant short period.
It feels like a decade since our last vacation.
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Century
A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.
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Decade
A period of ten years , particularly such a period beginning with a year ending in 0 and ending with a year ending in 9.
The 1960s was a turbulent decade.
I haven’t seen my cousin in over a decade!
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Century
A unit in ancient Roman army, originally of 100 army soldiers as part of a cohort, later of more varied sizes (but typically containing 60 to 70 or 80) soldiers or other men (guards, police, firemen), commanded by a centurion.
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Decade
A period of ten days, (history) particularly those in the ancient Egyptian, Coptic, and French Revolutionary calendars.
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Century
A political division of ancient Rome, meeting in the Centuriate Assembly.
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Decade
A work in ten parts or books, particularly such divisions of Livy's History of Rome.
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Decade
(Roman Catholicism) A series of prayers counted on a rosary, typically consisting of an Our Father, followed by ten Hail Marys, and concluding with a Glory Be and sometimes the Fatima Prayer.
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Century
(cricket) A hundred runs scored either by a single player in one innings, or by two players in a partnership.
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Decade
Any of the sets of ten sequential braille characters with predictable patterns.
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Century
(snooker) A score of one hundred points.
That was his tenth professional century.
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Decade
(electronics) A set of ten electronic devices used to represent digits.
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Century
(sports) A race a hundred units (as meters, kilometres, miles) in length.
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Decade
(electronics) A set of resistors, capacitors, etc. connected so as to provide even increments between one and ten times a base electrical resistance.
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Decade
The interval between any two quantities having a ratio of 10 to 1.
There are decades between 1.8 and 18, between 25 and 250 and between 0.03 and 0.003.
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Century
A hundred; as, a century of sonnets; an aggregate of a hundred things.
And on it said a century of prayers.
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Decade
A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy.
During this notable decade of years.
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Century
A period of a hundred years; as, this event took place over two centuries ago.
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Century
A division of the Roman people formed according to their property, for the purpose of voting for civil officers.
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Decade
The cardinal number that is the sum of nine and one; the base of the decimal system
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Century
A division of time in the Gregorian calendar.
We are currently living in the 21st century.
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Repeatedly Asked Queries
Are decades important in historical studies?
Yes, decades are significant for studying short-term historical trends.
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How do we name centuries?
Centuries are named after their chronological order, like the 20th century.
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Can centuries overlap with decades?
Yes, each century contains ten decades.
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How are decades usually referred to?
Decades are often referred to by their ending year, like the 1980s.
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What historical significance does a decade have?
A decade signifies important short-term historical, social, and cultural changes.
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What defines the cultural identity of a decade?
Cultural events, trends, and societal changes define a decade's identity.
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Can a century mark a specific historical era?
Yes, centuries often mark specific historical eras or periods.
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Can the term 'century' be used metaphorically?
Yes, 'century' can be used metaphorically to imply a long time.
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Do decades have specific themes or characteristics?
Often, decades are characterized by unique cultural, fashion, and social themes.
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Are certain decades known for specific events?
Yes, certain decades are famous for specific events or movements, like the 1960s for cultural revolution.
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Is a decade always ten consecutive years?
Yes, a decade is always a sequence of ten consecutive years.
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How does a century affect the perception of time?
A century provides a broader perspective on the passage of time and historical progress.
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How do historians categorize centuries?
Historians categorize centuries by their significant events and overarching themes.
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Are there common misconceptions about the start and end of centuries?
A common misconception is that centuries start at the year ending in 00, but they actually start at 01.
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How does each decade contribute to a century's legacy?
Each decade contributes unique trends, events, and cultural shifts to the overall legacy of a century.
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How does one refer to the current century?
The current century is referred to as the 21st century.
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What impact does a decade have on popular culture?
A decade can have a significant impact on popular culture, influencing music, fashion, and attitudes.
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About Author
Written by
Shumaila SaeedShumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.
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