What is the correct way to abbreviate 1995?

There isn't a standard abbreviation for the year 1995. You can simply write it out as "1995".

If you need to use an abbreviation for a specific purpose, like in a table or chart, you could consider:

* '95: This is a common and easily understood abbreviation.

* '95: If you need to distinguish it from other years in the 1900s, you could use this format.

* 1995: You could use this for formal contexts.

Ultimately, the best way to abbreviate depends on your specific needs and context.