If by last you mean newest, then South Sudan would be the answer.
The last country geographically from east to west is Kiribati located in the Pacific Ocean, making it the last to experience a new day. However, if you mean the southernmost country, that would be Chile, and the northernmost country is Iceland.
That's a nonsensical question, since sunset and sunrise are relative terms, depending on your location on earth. Since the earth is constantly rotating around the sun, there is no objective "last country" where the sun sets - the sun just perpetually sets in the areas tangential to it.
The Grapes of Wrath- John Steinbeck
Last Woman on Earth was created in 1960-09.
Egypt was not the first country on the earth Iraq was the first country
Not If You Were the Last Junkie on Earth was created in 1998.
Earth's Last Citadel was created in 1943.
The Last Legends of Earth was created in 1989.
The Last Starship from Earth was created in 1968.
The Last Tour on Earth was created in 1998.
The country that is hosting the Olympics will be the last country that marches in the Olympic ceremonies.
In the Country of Last Things was created in 1987.