+"First World" historically described nations aligned with the United States and NATO during the [Cold War](/wiki/Cold_War). Today, it broadly denotes economically developed countries with stable economies and high living standards, often aligning with the concept of the [Global North](/wiki/Global_North).
+## See also
+- [Second World](/wiki/Second_World)
+- [Third World](/wiki/Third_World)
+- [Developing Nation](/wiki/Developing_Nation)