I am with the avoidance is your best option crowd. At 60 plus, you are well past fighting fit trim; and, lets face it, hacking up opponents at close quarters is not something most people do well.
Security at such a location depends on the obstacles that you can create. If you have to live there, then you certainly are better off living with an extended group of friends, family and co-workers. Attacking a clan of 20-30 close knit people is a real deterrent, especially if the group can coordinate their response. The police may take hours, but those immediately around you can get there in seconds. Perhaps there are ready built communities in the area with private security and other ready defenses.
Before you buy a sword, may sure that the local laws allow you to have one, less you be buying a gift toy for the local custom officials. Check in detail to see what other kinds of defenses can be made to work for you. Start with stern doors, good locks, and barred windows. Add barbed wire fencing/barriers and vehicle obstacles. Alarms and backup radio communications and ready power can be a big plus. Consider adding a pack of trained guard dogs. Depending on where you go, there are always various levels of defense, although getting there may be costly and require years of dealing with bureaucratic hurdles and sometimes the local black market as well. .
If machetes are the main threat, then consider protective armor. Are there any functional modern solutions to help mitigate the risk? Will you be able to stock bandages, medication and other supplies to deal with the immediate trauma?
It is essential to be able to strike back; but, real security comes from making it much harder to strike you, than that other guy down the road. If you try to lone wolf this, you will end up as fish food.
n2s