A list of independent states and microstates from 1816 on by Gleditsch and Ward

gwstates

Format

Data frame

gwcode

Gleditsch and Ward country code.

gwc

G&W character country code. This is derived from the COW character codes.

country_name

Long form country name

start

Country start of independence.

end

Country end of independence.

microstate

Logical flag for whether state is a microstates with less than 250,000 population.

Source

http://ksgleditsch.com/data-4.html

References

Gleditsch, Kristian S. and Michael D. Ward. 1999. "Interstate System Membership: A Revised List of the Independent States since 1816." International Interactions 25.

Examples

data(gwstates) head(gwstates)
#> gwcode gwc country_name start end microstate #> 1 2 USA United States of America 1816-01-01 9999-12-31 FALSE #> 2 20 CAN Canada 1867-07-01 9999-12-31 FALSE #> 3 31 BHM Bahamas 1973-07-10 9999-12-31 FALSE #> 4 40 CUB Cuba 1902-05-20 9999-12-31 FALSE #> 5 41 HAI Haiti 1816-01-01 1915-07-04 FALSE #> 6 41 HAI Haiti 1934-08-15 9999-12-31 FALSE