What you carry for a year is decided by what you can’t replace where you’re going

A long stay inverts the packing problem

Packing for a fortnight away is an exercise in anticipating every situation, because whatever you fail to bring you will simply do without. Packing for a year is the opposite. You will be able to buy almost anything you have forgotten, at some price, with some inconvenience, and the real question is which items are genuinely difficult to obtain once you are there.

That reframing does most of the work. The four extra shirts stop being an insurance policy and become dead weight, since shirts exist everywhere. Meanwhile the prescription you take daily, which weighs nothing, becomes one of the most important objects in the bag.

The mistake is not overpacking as such. It is packing as though the destination were a wilderness with no shops in it.

The categories that are genuinely hard to replace

Medication is the clearest case, and it is worth understanding that a drug sold freely at home may be restricted, differently formulated or simply absent elsewhere. Bring a supply, bring the prescription or a letter from the prescriber, and check the import rules of the destination country before you travel, because carrying medicine across a border is regulated and the rules are specific to each country.

Documents are the second category, and they are the one people underestimate. Birth certificates, marriage certificates, qualifications, professional registrations, driving entitlements and anything issued by a court are all far easier to obtain while you are standing in the country that issued them. Getting a certified copy sent overseas afterwards is possible and it is slow.

Then there are the small physical oddities: shoes if your size sits outside the local range, clothing for a body shape the local market does not cater to, a specific tool you use for work, spectacles, and anything with a fitting or a socket that varies regionally. None of these is dramatic. All of them are irritating to solve from a distance.

Weight is a recurring cost, not a single one

A trip pays the weight penalty twice, on the way out and on the way back. A long stay pays it in a much less obvious way, because everything you bring has to be stored, moved between flats, and eventually shipped home, sold or thrown away. The suitcase you drag across a city on your second move is the suitcase you packed a year earlier.

This is why the arithmetic of shipping deserves a look before you overload the flights. A box sent by sea is slow and often surprisingly cheap; the same box by air is fast and painful. If you know you will be somewhere for a long stretch, sending the bulky and unhurried things separately is frequently better value than paying for excess baggage, though the customs treatment of a personal shipment differs by country and is worth checking first.

And some things are better left at home entirely, in a box at a relative’s house, with a list taped to the lid.

Climate is a longer variable than people plan for

A visitor experiences one season. Someone staying a year experiences all of them, including the one nobody mentions in the guidebooks. Places that are famously hot have cold months, buildings in warm countries are frequently built to shed heat rather than to hold it, and the indoor temperature of a flat in a mild climate can be less comfortable than the outdoor temperature of a cold one.

The practical consequence is that you don’t need a full wardrobe for every season in your luggage, but you should know what the seasons are, and you should bring the specific items that are hard to buy locally in the season when you will need them. Shops stock what sells. Arriving in high summer and looking for a warm coat is not a promising errand.

The one thing consistently worth its weight is whatever makes a cold room bearable, because heating is expensive everywhere and habits about it are local.

What the first month tells you

Give it four weeks and the bag sorts itself into three piles: what you have used constantly, what you have not touched, and what you brought because you were anxious. The third pile is the interesting one, and it is usually larger than expected.

Keeping a note of what you actually reached for is a genuinely useful record, particularly if you expect to do this again. Most people who move abroad more than once end up carrying about half of what they carried the first time, and the reduction is not discipline. It is knowledge of which shops exist.

The other thing a month gives you is a sense of what is expensive locally rather than merely unfamiliar. Those are the things to ask a visitor to bring, or to buy on a trip home, and the list is rarely what you would have guessed before arriving.