Every expat arrives somewhere new with the same instinct: find your people fast. It makes sense. You are foreign, possibly jet-lagged, almost certainly baffled by the local bureaucracy, and the nearest person who speaks your language feels like a gift. That desperation is exactly how you end up locked into a friend group you would never have tolerated back home.

Toxic expat communities are not hard to find. They form around shared misery: complaining about the locals, mourning the food they can’t get, building an insular little Britain (or Australia, or America) that gradually replaces any real engagement with the country they chose to live in. The warning signs are obvious once you know them. When you are lonely and new, obvious things have a habit of turning invisible.

The clearest red flag is a group that treats the host country as a backdrop rather than a place. If every social occasion is about recreating home, and anyone who tries to integrate, learns the language, or makes local friends gets mocked for “going native”, you are not in a community. You are in a bunker.

Watch how the group treats newcomers. A healthy expat network welcomes fresh arrivals without immediately downloading its grievances onto them. A toxic one sees new people as an audience and starts the orientation with a list of everything wrong with the place. If your first conversation includes the phrase “oh, you’ll learn”, delivered with a knowing smirk, back away slowly.

Gossip is the other reliable indicator. Small expat communities are gossip-dense by design: everyone knows everyone, turnover is constant, and there is not much else to do on a Tuesday in a city where you have no deep roots. A certain amount of it is harmless. It turns toxic when the gossip gets weaponised, when leaving the group means becoming the subject of it, and when people stay not because they enjoy the company but because they are afraid of what gets said about them if they go. That is not friendship. That is social hostage-taking.

Dependency is the subtler version of the same problem. Some groups cultivate it, positioning themselves as the only reliable source of local knowledge, jobs, housing leads, or introductions. When a community makes itself structurally necessary to your survival, check the motives. Generosity is real. Control dressed as generosity is also real, and harder to spot when you are new and grateful.

Knowing when to leave is simple in theory and hard in practice, particularly once the group has become your main social infrastructure. The honest test: after an evening with these people, do you feel better or worse about the country you live in? If the answer is consistently worse, and the mood pulls in a downward direction, the group is costing you more than it gives.

Leaving does not have to be dramatic. Reduce your availability, accept fewer invitations, and start building parallel connections: language classes, local sports clubs, co-working spaces, anything that puts you in a room with people who actually live in the place rather than surviving it. Most toxic expat groups don’t notice a gradual exit. They are too busy talking about whoever left last time.