Egypt

By the close of the twenty-first century, Egypt's tourism economy will have roughly doubled in size and almost entirely rearranged itself on the map. The country projected by the United Nations to hold close to two hundred million people, warmed by three to four and a half degrees Celsius above its late-twentieth-century baseline, and forced to operate the Nile within tighter upstream constraints will still depend heavily on visitors for foreign currency. What it will not do is welcome them to quite the same places, in quite the same ways, that it does today. Sustainable tourism in 2100 is a real achievement in parts of the country and a structural impossibility in others, and the line between the two follows the contours of climate, water and political geography rather than the contours of intention.

The Mediterranean coast bears the heaviest visible losses. Alexandria sits at the intersection of two slow disasters: a sea that is rising at more than three millimetres a year and a delta that is sinking at three to eight millimetres a year, producing a relative sea-level rise more than double the global mean. A half-metre to one-metre rise by century's end inundates roughly 2,660 square kilometres of the northern Delta, a quarter of its area, swallowing cropland, wetlands and fish ponds in the process. The Bibliotheca district, the Citadel of Qaitbay, the Ottoman houses of Rosetta and the Damietta coast persist behind sea walls and managed-retreat schemes, but their visual integrity is compromised and their seasonality is shortened. The Abu Mena pilgrimage complex, which only escaped UNESCO's In-Danger List in July 2025 after a solar-powered drainage system stabilised its groundwater, survives as a permanently dewatered engineered site, kept alive by continuous hydrological monitoring rather than by any return to a natural hydrology. Mass-beach tourism along the North Coast contracts into the surviving pockets that resist saltwater intrusion, and heritage cruising on the lower Nile becomes a narrow seasonal product squeezed by heat at one end of the year and storm-driven salinity at the other.

The cultural core of Egyptian tourism migrates inland and upstream, toward whatever can be defended, cooled or digitised. The Cairo–Giza corridor becomes the durable spine of the sector. The Grand Egyptian Museum, opened in November 2025 at the foot of the pyramids and housing roughly one hundred thousand artefacts including the full Tutankhamun collection, anchors a fortified visitor economy that runs on dynamic pricing, timed entry and immersive digital reconstructions. The pyramids themselves, surveyed in granular detail by laser-scanning projects in the 2020s, are managed under strict carrying-capacity rules; interior access to Khufu is rationed and most visitors experience it virtually. Saqqara, where scanning has already revealed substantial volumetric loss in several pyramids, becomes a partly reconstructed, partly virtual heritage park. Luxor and Thebes face the most acute physical stress, with summer maxima above forty-five degrees stretching from May into September and erratic flash flooding accelerating the salt-driven decay of sandstone monuments. By century's end Karnak, the Ramesseum and the Valley of the Kings are accessible only under cooled-walkway and night-visitation regimes, with a substantial fraction of would-be visitors substituting paid virtual experiences for physical visits. Abu Simbel and Philae, sensitive to small fluctuations in Lake Nasser and Aswan reservoir levels, are likely to require a second relocation or a permanent cofferdam intervention, financed through an international rescue campaign reminiscent of the original 1960s effort.

The Red Sea coast splits along an ecological fault line. Peer-reviewed modelling places sea-surface warming of two and a half to three degrees over the basin by century's end, with the Red Sea accumulating thermal stress at roughly 1.2 times the global rate. Yet the northern Red Sea and the Gulf of Aqaba constitute a globally significant coral refugium whose corals tolerate temperatures well above the regional norm and which is projected to remain below the bleaching threshold even at century's end. The likely 2100 outcome is therefore sharply bifurcated. Ras Muhammad National Park, Dahab, Nuweiba and Taba retain functional reefs and remain marquee diving destinations under tight conservation rules. Hurghada, Safaga, El Quseir and Marsa Alam lose most of their living coral by mid-century and pivot to wreck diving, artificial reefs and beach tourism, salvaging what they can of a sector that once generated billions of dollars annually from reef visitation alone. Wadi El Gemal National Park, hosting around 240 coral species, survives in the transition zone only as a strictly managed conservation-tourism enclave.

The fate of Saint Catherine and the wider Sinai is the most uncertain piece of the picture and the most politically revealing. A state-led mega-development launched in 2021, complete with an international airport, luxury hotels and large-scale housing, has already displaced much of the Jabaliya Bedouin population, closed long-running community trails at the end of 2024, and prompted reactive monitoring from UNESCO. The most likely 2100 state of the area is one in which Saint Catherine remains a major spiritual-tourism node but has lost much of its Outstanding Universal Value claim and has shed virtually all of its Bedouin-operated cultural tourism in favour of state-licensed corporate concessions. This is the alternative to community-based sustainability that the broader political economy quietly favours wherever it can.

The brightest story of the century is the long-delayed scaling of ecotourism in the interior. Siwa, Bahariya, Farafra, Dakhla and Kharga in the Western Desert, together with Fayoum and its wetlands and the Whale Valley natural heritage site, finally become Egypt's strategic answer to over-tourism elsewhere. Low-rise vernacular eco-lodges in kershef and mudbrick, oral-history and craft programming around Akhmim weaving, Nubian architecture and Bedouin traditions, and tight reservation systems that enforce daily caps allow a high-value, low-volume model to take hold. The southern Eastern Desert and Gebel Elba carry a parallel version of the same logic for those willing to travel further. These arcs work precisely because they are small, distant from political flashpoints, and structurally incompatible with the mass-resort model that has hollowed out other parts of the coast.

Artificial intelligence threads through all of this as both stabiliser and disruptor. On the constructive side, digital twins of Saqqara, Giza, parts of historic Cairo, Philae and Abu Mena allow non-invasive structural monitoring and progressive restoration; computer-vision systems support customs in matching trafficked artefacts against international databases; dynamic pricing and crowd management reduce damage at over-visited sites; augmented and virtual reality widen access for visitors priced or weather-locked out of physical travel. On the destructive side, the same technologies displace guides, drivers, small hoteliers and other lower-skill workers in a country that uses tourism as a labour-market buffer; data centres compete for desalinated freshwater with agriculture, drinking water and the tourism sector itself; the largest value capture flows to non-Egyptian platform companies, leaving the Egyptian state to extract rents from licensed digital heritage rather than from the broader hotel-restaurant-transport multiplier; and algorithmic permitting and surveillance make it administratively trivial for a centralised state to exclude Bedouin, Nubian and small Coptic operators it distrusts. The net effect is not catastrophic but it is uneven, and it tilts the social geography of tourism toward concentration rather than diffusion.

The cumulative picture is neither collapse nor utopia. Egypt in 2100 hosts something on the order of forty to sixty million annual arrivals, drawn to a defended but partially submerged Mediterranean, a hardened Cairo–Giza–Luxor cultural spine, a Gulf of Aqaba reef refugium, a quietly thriving inner-desert ecotourism arc, and a transformed but diminished central Red Sea. Sustainability, where it exists, is concentrated in flagship sites with the budgets to engineer their way through climate stress and in remote ecotourism nodes small enough to remain genuinely community-shaped. Whether that narrow definition of success widens depends less on any single technology than on whether Egypt's political economy chooses to share the rents of tourism with the people who actually live alongside its monuments, deserts and reefs. The physical climate of 2100 is largely locked in; the social climate is not.