Most reasonably well-educated adults can name about 100 to 120 countries without aids. They get the big ones — every major European country, the United States, the largest Asian and South American nations — but they stall out somewhere in the Caribbean, the Pacific islands, or the central African belt. Closing the gap from 100 confidently-known countries to all 195 — every member state of the United Nations, plus a few non-member states — is a project of two to four weeks if you approach it correctly.
The point is not just trivia. Knowing every country, where it is, and a few basic facts about it is the foundation of geographic literacy. It makes news comprehension faster. It changes how you think about scale and proximity. And, practically, it transforms your scoring in any satellite-imagery or country-guessing game from "in the neighbourhood" to "exact country" in a startlingly short time. Here is how to do it.
Step 1: Find Out Which Countries You Already Know
Before you start studying, find out where the gaps actually are. Spend twenty minutes naming every country you can think of, writing them down by continent. Then compare your list to a complete list of all 195 countries. The gap will surprise you — and the specific shape of the gap will tell you what to study first.
Most people's gaps cluster in four areas: Central Asia (Turkmenistan, Tajikistan, Kyrgyzstan are commonly missed), West and Central Africa (the dozens of mid-sized countries between Senegal and Cameroon), the Caribbean and Central America (the small island nations), and the Pacific (Tuvalu, Nauru, Kiribati, the Marshall Islands). Once you know your specific gaps, you can focus your studying.
Step 2: Learn by Region, Not Alphabetically
Try learning neighbouring countries as a group. Trace their borders on a map, then cover the labels and name them again. This gives each name a geographic reference instead of an isolated position in an alphabetical list.
Divide the map into manageable regions and keep a list of the countries in each. Choose one consistent reference list, especially for territories and disputed states, before comparing your total.
Step 3: Use Spaced Repetition Properly
Build review sessions into the month. After learning a region, test yourself later without the labels. Revisit countries you missed and lengthen the interval when recall becomes reliable.
Record the names you miss rather than repeatedly testing only the names you already know. Use the same map or reference list for checking answers, and vary the order in which you practise.
Step 4: Daily Drill With Worldle and Globle
Two free daily games dramatically accelerate country memorisation. Worldle gives you a silhouette of one country every day and asks you to identify it. Globle gives you one country every day and asks you to guess it through directional hints. Both take less than five minutes and they expose you to obscure countries you would not otherwise encounter.
A daily Worldle round followed by a daily Globle round forces you to engage with country shapes and locations every single day, which complements the regional study. Most users find that within two weeks of daily play, their country recognition is sharper than it has ever been — and the random country selection means the obscure ones (Comoros, São Tomé, Vanuatu) come up just often enough to stay in long-term memory.
Step 5: Reinforce With Satellite-Imagery Play
The final ingredient is satellite-imagery games. EarthGuessr, GeoGuessr, and similar games drop you into a frame and ask you to place it on a globe. This forces you to recognise countries from physical landscape cues — vegetation, agriculture, urban patterns — rather than just from shapes. The combination of knowing a country's name, its location, its neighbours, and its landscape is what produces real geographic literacy.
A practical weekly routine for someone trying to memorise all 195 in a month: 20 minutes of regional study per day on weekdays, 10 minutes of Worldle and Globle every day, and 30 minutes of satellite-imagery play on weekends. Within four weeks, most people who maintain this routine can name all 195 countries from a list, find them on a globe, and identify the major ones from satellite imagery.
Step 6: Make It Stick With Stories
Attach a location to each name. Find a neighbouring country, river, or coast and explain where the country sits relative to it. If you add facts or a short story, check them against a source rather than using a memorable invention.
Twenty more places to practise
For an extra practice set, try Comoros, São Tomé and Príncipe, Equatorial Guinea, Eswatini, Lesotho, the Central African Republic, Burundi, Djibouti, Eritrea, Bhutan, Brunei, Timor-Leste, Tuvalu, Nauru, Kiribati, the Marshall Islands, the Federated States of Micronesia, Palau, Vanuatu, and Liechtenstein. These are suggested prompts, not a measured ranking of difficulty.
Maintenance: Once You Have Them, Keep Them
Countries learned in a four-week sprint will start to fade after a few months if not maintained. The easiest maintenance routine is the daily 5-minute habit of Worldle and Globle, plus an occasional EarthGuessr session. After three to six months of daily play, the knowledge becomes essentially permanent — at which point you can let the explicit study lapse and the games alone will keep your country recognition sharp for life.
Start Today
If you are starting from a base of about 100 countries known, four weeks of disciplined study and play will get you to 195. If you are starting from a higher base of around 140, two weeks is realistic. Either way, the path is the same: regional study, spaced repetition, daily games, and reinforcement through satellite play. Pull up a list of all 195 countries, draw a rough mental map of where they all are, and start with whichever region you are weakest in. By the end of the month, you will know every country on Earth.