The oldest known remains of Homo sapiens were found at Jebel Irhoud, a site in Morocco, and date to approximately 315,000 years ago. That discovery, announced in 2017, pushed back the origin of our species by more than 100,000 years, since previous fossil evidence had placed the emergence of modern humans in eastern Africa around 200,000 years ago. But the answer gets more interesting depending on what you mean by “human,” because the story stretches from a single jawbone fragment in Ethiopia to a controversial million-year-old skull in China.
Jebel Irhoud, Morocco: 315,000 Years Ago
The Jebel Irhoud site sits in the hills west of Marrakech. Researchers recovered multiple fossils there, including skull fragments, jawbones, and teeth, alongside stone tools from the Middle Stone Age. Thermoluminescence dating of the burned flint tools, combined with uranium-series and electron spin resonance dating of a tooth, produced a weighted average age of 315,000 years, give or take about 34,000 years.
What makes these fossils significant is that they display a mosaic of features. The faces look recognizably like ours, with flat, retracted profiles tucked beneath the braincase. But the braincases themselves are more elongated than the rounder shape seen in people today. Researchers classify them as the earliest evolutionary phase of Homo sapiens, a population that had started developing modern facial anatomy but hadn’t yet acquired the fully globular skull we associate with living humans. The discovery also shifted the geographic story: rather than arising in a single region of East Africa, our species may have evolved across the entire continent.
Omo Kibish, Ethiopia: 233,000 Years Ago
Before Jebel Irhoud claimed the record, the title belonged to fossils from the Omo River region in southwestern Ethiopia. Known as Omo I, this partial skeleton was originally estimated at about 195,000 years old but was later redated to around 233,000 years ago. The Omo I skull is more anatomically modern than the Jebel Irhoud specimens, with a rounder braincase and a prominent chin. For decades, Omo Kibish was considered the birthplace of our species, and the site remains one of the most important windows into early Homo sapiens biology in East Africa.
The Oldest Member of the Genus Homo
If you define “human” more broadly to include any member of the genus Homo (not just our species), the record goes back much further. A partial jawbone cataloged as LD 350-1 was unearthed in 2013 from the Ledi-Geraru research area in the Afar region of Ethiopia. It dates to 2.8 million years ago, making it roughly half a million years older than any previously known Homo fossil.
The jawbone sits right at the boundary between the earlier ape-like genus Australopithecus and our own genus. Its teeth and jaw shape are clearly more Homo-like than Australopithecus, but it retains some primitive features. Researchers describe it as transitional, and its age suggests the shift from Australopithecus to Homo happened relatively quickly in evolutionary terms.
The Oldest Hominin of All
Go back even further and you reach the very base of the human family tree. A skull nicknamed Toumaï, belonging to the species Sahelanthropus tchadensis, was found in Chad in west-central Africa and dates to between 7 and 6 million years ago. This is one of the oldest known hominins, the broad group that includes every species on the human side of the split from our last common ancestor with chimpanzees. Toumaï’s skull is small-brained and ape-like in many respects, but it shows signs of upright posture and has smaller canine teeth than a chimpanzee, both hallmarks of the human lineage.
Oldest Remains Outside Africa
For much of human history, Homo sapiens existed only in Africa. The oldest evidence of our species outside the continent comes from Misliya Cave on Mount Carmel in Israel. An upper jawbone with a full row of teeth on its left side was discovered there in 2002 and dated to between 177,000 and 194,000 years ago. That’s about 40,000 years older than the next-oldest non-African fossils, which come from nearby Skhul and Qafzeh caves and date to 80,000 to 120,000 years ago.
The Misliya jaw suggests that modern humans left Africa multiple times rather than in a single migration event. Some of these early departures may have been dead ends, with populations dying out before later waves succeeded in colonizing new continents permanently.
Europe
The oldest confirmed Homo sapiens remains in Europe come from Bacho Kiro Cave in Bulgaria, dated to before 45,000 years ago. The fossils were identified through a combination of tooth shape analysis and mitochondrial DNA extracted from bone fragments. Their presence links the spread of a specific toolkit, called the Initial Upper Palaeolithic, with the arrival of our species in Europe’s mid-latitudes.
Southeast Asia
In mainland Southeast Asia, the cave site of Tam Pà Ling in northern Laos holds the current record. Recent dating work pushed the earliest human presence there back to roughly 86,000 to 68,000 years ago. A fossil fragment labeled TPL 7 extends the confirmed range to about 77,000 years ago, supporting the idea that Homo sapiens reached Southeast Asia during an early dispersal that may have predated the main migration wave responsible for populating Australia and the Pacific.
A New Claim Could Rewrite the Timeline
In 2025, a team of researchers announced a provocative reanalysis of a million-year-old skull found in China. Their study claims that Homo sapiens as a lineage began emerging at least 500,000 years earlier than the conventional timeline suggests. If the analysis holds up, it would mean three distinct human species coexisted on the planet for around 800,000 years, interacting and possibly interbreeding over that span. Chris Stringer of the Natural History Museum in London, a co-lead on the research, has suggested that million-year-old Homo sapiens fossils likely exist somewhere but simply haven’t been found yet.
This claim remains contested. It doesn’t change the physical fossil record: Jebel Irhoud still holds the oldest confirmed Homo sapiens bones. But it highlights how quickly the story of human origins can shift as researchers apply new analytical techniques to old specimens. It also helps explain dozens of hard-to-classify fossils from between 800,000 and 100,000 years ago that have long puzzled scientists.
How Scientists Date Ancient Remains
Radiocarbon dating, which most people have heard of, only works reliably back to about 50,000 years. For anything older, researchers turn to other methods. The Jebel Irhoud fossils were dated using thermoluminescence, which measures the last time stone tools were heated by fire. Electron spin resonance dating, applied to tooth enamel, provided a supporting estimate. At Misliya Cave, researchers combined dating of burned flint, tooth enamel, and mineral crust adhering to the jawbone to triangulate an age range.
For extremely old remains like the Ledi-Geraru jawbone, scientists rely on dating the volcanic ash layers above and below the fossil, a technique called argon-argon dating. No single method is definitive on its own, which is why major fossil discoveries typically report results from multiple independent techniques. The margins of error can be large (the Jebel Irhoud date carries a 34,000-year uncertainty), but when several methods converge on the same range, confidence increases substantially.
The oldest hominin DNA ever recovered comes from a Neanderthal specimen about 400,000 years old. DNA degrades over time, so genetic evidence can only supplement the fossil record for relatively recent periods of human evolution. For anything older than a few hundred thousand years, bones and teeth remain the only direct evidence we have.