
Hippopotamus
Looks calm on the surface but is incredibly powerful underneath. Respect your fifties.
Looks calm on the surface but is incredibly powerful underneath. Respect your fifties.
Lifespan
55 years
Your age
20
Height
5 ft at shoulder
Weight
3,000-4,000 lbs
Habitat
Sub-Saharan Africa
Are you older than a Hippopotamus?
No — a Hippopotamus can live up to 55 years. You have 35 years to go.
At your age (20), a Hippopotamus has already established dominance (at age 20), but hasn't yet peak health (at age 30).
In 2006, when you were born
Population
120,000
Still alive today
11,711
Population trend
📉 Decreasing
Current population
125,000
Conservation status
VulnerableHippopotamus Life Timeline
The hippopotamus is a fascinating creature that often gets a bad rap for its hefty size and seemingly lazy demeanor. But don't let that serene surface fool you; hippos are the third-largest land mammals and can be surprisingly aggressive. They spend their days lounging in water, but when night falls, they emerge to graze on grasses, making them the ultimate party animals — if your idea of a party includes munching on up to 150 pounds of vegetation each night!
Read more
In the wild, hippos live in groups called pods, which are typically led by a dominant male. They can weigh up to 4,000 pounds and are surprisingly agile both in water and on land. While they can hold their breath underwater for up to five minutes, they often surface to breathe without waking up. Their life cycle is marked by a gestation period of about 8 months, after which a calf is born, usually weighing around 50-100 pounds. Hippos play a crucial role in their ecosystem by maintaining the health of aquatic habitats; their waste helps fertilize the water, promoting the growth of algae and aquatic plants that sustain other wildlife.
Humans and hippos have a complicated relationship. While they are a major tourist attraction in Africa, their populations face threats from habitat loss and hunting. The IUCN lists hippos as Vulnerable, but conservation efforts are underway to protect their habitats and ensure they continue to thrive. So next time you're enjoying a safari or watching a nature documentary, remember: while you were in kindergarten learning to read, this hippo was catching some serious Zs in the water!
Was born
A baby hippo, called a calf, is born underwater and instinctively swims to the surface for its first breath. This is a critical moment, as the calf must quickly adapt to the world outside the womb.
A hippopotamus is born at just 0 months old. At that age, most humans are a newborn. Are you older than a hippopotamus when it is born?
Right out of the starting blocks, the hippopotamus takes the early lead: was born. The human at 0 months can't even hold their own head up. This race is already getting interesting.
Started swimming
By the age of one, a hippo calf has become quite the swimmer, mastering the art of floating and diving underwater, much like a toddler figuring out how to stay afloat in the kiddie pool.
A hippopotamus starts swimming by age 1. At that age, most humans are a wobbly toddler. Are you older than a hippopotamus when it starts swimming?
The starting pistol fires and the hippopotamus wastes no time — started swimming. Over in the human lane, the competitor is a wobbly toddler still figuring out walking. The hippopotamus is not waiting around.
Joined a pod
By age three, young hippos begin to socialize and join a pod, learning the ropes of hippo life, from grazing to maintaining social hierarchies. It's like starting preschool but with more mud.
A hippopotamus joins a pod by age 3. At that age, most humans are in preschool. Are you older than a hippopotamus when it joins a pod?
Look at this hippopotamus go! Joined a pod. Meanwhile the human at age 3 is in preschool, learning to share and asking "why" 400 times a day. The hippopotamus is lapping the competition.
Started grazing
At five years old, hippos start to graze on grass like seasoned pros, munching through the night and honing their foraging skills, much like a kid raiding the fridge at midnight.
A hippopotamus starts grazing by age 5. At that age, most humans are starting kindergarten. Are you older than a hippopotamus when it starts grazing?
The hippopotamus extends its lead — started grazing. At the same age, a human is starting kindergarten and losing their first tooth. The gap is widening fast.
Reached maturity
By age seven, hippos are reaching sexual maturity and may start to compete for dominance within their pod, much like pre-teens vying for popularity in school.
A hippopotamus reaches maturity by age 7. At that age, most humans are in elementary school. Are you older than a hippopotamus when it reaches maturity?
The hippopotamus is pulling ahead — already reached maturity! The human at age 7? Is in elementary school, learning to ride a bike. It's not even a contest yet.
First calf born
At ten years old, a female hippo may give birth to her first calf, marking the beginning of her journey into motherhood—a role that requires both nurturing and the occasional tough love.
A hippopotamus reaches its first calf born by age 10. At that age, most humans are a pre-teen. Are you older than a hippopotamus when it reaches its first calf born?
Look at this hippopotamus go! First calf born. Meanwhile the human at age 10 is a pre-teen begging for a phone and staying up too late. The hippopotamus is lapping the competition.
Established dominance
By age twenty, a male hippo has likely established dominance in his pod, asserting his place as the alpha and enjoying the perks that come with it, much like a mid-career professional relishing their corner office.
A hippopotamus establishes dominance by age 20. At that age, most humans are in college. Are you older than a hippopotamus when it establishes dominance?
The hippopotamus is hitting its stride: established dominance. The human at age 20? Is in college, surviving on ramen and bad decisions. Two completely different races.
Peak health
At thirty, a hippo is in peak health, enjoying the prime of its life, and can often be seen leading the pod on nighttime grazing adventures, much like a parent juggling work and family responsibilities.
A hippopotamus reaches its peak health by age 30. At that age, most humans are building a career. Are you older than a hippopotamus when it reaches its peak health?
The hippopotamus hits a milestone: peak health. At the same age, a human is building a career and maybe starting a family. The paths are diverging.
Retired from dominance
By age fifty-five, many hippos begin to retire from their dominant roles, allowing younger males to take charge while they enjoy a more leisurely lifestyle, akin to a human contemplating retirement but still enjoying the social scene.
A hippopotamus reaches its retired from dominance stage by age 55. At that age, most humans are approaching retirement. Are you older than a hippopotamus when it reaches its retired from dominance stage?
And that's the race for the hippopotamus — retired from dominance. A human at this age is counting down to retirement and spoiling grandkids. What a run it's been.
Grandparent hippo
By age 60, a hippopotamus's lineage has produced roughly 8 generations of descendants. With a generation time of about 7 years, that's roughly 8 generations — several of descendants carrying on the family legacy.
A hippopotamus reaches its grandparent hippo stage by age 60. At that age, most humans are becoming grandparents. Are you older than a hippopotamus when it reaches its grandparent hippo stage?
Long after the finish line: grandparent hippo. A human at this age is becoming a grandparent and planning retirement adventures. The hippopotamus's story lives on through its descendants.
Influential elder
By age 70, a hippopotamus's lineage has produced roughly 10 generations of descendants. With a generation time of about 7 years, that's roughly 10 generations — several of descendants carrying on the family legacy.
A hippopotamus reaches its influential elder stage by age 70. At that age, most humans are in their seventies. Are you older than a hippopotamus when it reaches its influential elder stage?
Influential elder — proof that this hippopotamus's impact didn't end at the finish line. A human at age 70 is in their seventies, sharing life stories and enjoying the slower pace. Legacy is the longest race of all.
Legacy of wisdom
By age 80, a hippopotamus's lineage has produced roughly 11 generations of descendants. With a generation time of about 7 years, that's roughly 11 generations — several of descendants carrying on the family legacy.
A hippopotamus reaches its legacy of wisdom stage by age 80. At that age, most humans are in their eighties. Are you older than a hippopotamus when it reaches its legacy of wisdom stage?
Long after the finish line: legacy of wisdom. A human at this age is in their eighties, surrounded by family, a life well lived. The hippopotamus's story lives on through its descendants.
Lifespan Comparison
A human can outlive this species by about 25 years.
Frequently Asked Questions
How old is a Hippopotamus when it was born?
A baby hippo, called a calf, is born underwater and instinctively swims to the surface for its first breath. This is a critical moment, as the calf must quickly adapt to the world outside the womb.
How old is a Hippopotamus when it started swimming?
By the age of one, a hippo calf has become quite the swimmer, mastering the art of floating and diving underwater, much like a toddler figuring out how to stay afloat in the kiddie pool.
How old is a Hippopotamus when it joined a pod?
By age three, young hippos begin to socialize and join a pod, learning the ropes of hippo life, from grazing to maintaining social hierarchies. It's like starting preschool but with more mud.
How old is a Hippopotamus when it started grazing?
At five years old, hippos start to graze on grass like seasoned pros, munching through the night and honing their foraging skills, much like a kid raiding the fridge at midnight.
How old is a Hippopotamus when it reached maturity?
By age seven, hippos are reaching sexual maturity and may start to compete for dominance within their pod, much like pre-teens vying for popularity in school.
How old is a Hippopotamus when it first calf born?
At ten years old, a female hippo may give birth to her first calf, marking the beginning of her journey into motherhood—a role that requires both nurturing and the occasional tough love.
Am I older than a Hippopotamus?
A Hippopotamus has a typical lifespan of 55 years. If you are older than 55, you have outlived a typical Hippopotamus. The Hippopotamus is currently classified as Vulnerable with an estimated population of 125,000.



