Member states of the Union of South American Nations

There are currently 12 member states of the Union of South American Nations.

Of these, two belong to CARICOM, four belong to the Andean Community of Nations (CAN), and five to Mercosur.

UNASUR/UNASUL/UZAN member states

Flag	Country	Capital	Area (km²)	Population	Density (/km²)	Currency	GDP per cap. (PPP)[1]	Gini	HDI	Official, National, & Recognized languages
	Argentina República Argentina	Buenos Aires	2,780,403	43,417,000	14.49/km²	Argentine peso	15,030[2]	48.8[3]	0.797[4]	Spanish (de facto) also see Languages of Argentina for other Co-official languages
	Bolivia Estado Plurinacional de Bolivia Bulivya Mamallaqta Wuliwya Suyu	Sucre La Paz	1,098,581	9,119,152	8.9/km²	Bolivian boliviano	4,575[2]	57.2[3]	0.663[4]	Spanish Quechua Aymara and 34 others also see Languages of Bolivia
	Brazil República Federativa do Brasil	Brasília	8,514,877	204,451,000	22/km²	Brazilian real	11,065[2]	55.0[3]	0.718[4]	Portuguese Brazilian Sign Language also see Languages of Brazil for other Co-official languages
	Chile República de Chile	Santiago	756,950	16,763,470	22/km²	Chilean peso	14,939[2]	52.0[3]	0.805[4]	Spanish (de facto) also see Languages of Chile
	Colombia República de Colombia	Bogotá	1,141,748	48,219,827	40/km²	Colombian peso	9,091[2]	58.5[3]	0.710[4]	Spanish 68 other languages/dialects also see Languages of Colombia
	Ecuador República del Ecuador	Quito	256,370	13,922,000	53.8/km²	Ecuadorian centavo United States dollar	8,021[2]	54.4[3]	0.720[4]	Spanish also see Languages of Ecuador
	Guyana Co-operative Republic of Guyana	Georgetown	214,999	858,863	3.502/km²	Guyanese dollar	7,004[2]	43.2[3]	0.633[4]	English Guyanese Creole 11 other languages also see Languages of Guyana
	Paraguay República del Paraguay Tetã Paraguái	Asunción	406,752	6,158,000	15.6/km²	Paraguayan guaraní	4,710[2]	53.2[3]	0.665[4]	Spanish Guaraní also see Languages of Paraguay
	Peru República del Perú Piruw Ripuwlika Piruw Suyu	Lima	1,285,220	29,180,900	23/km²	Peruvian nuevo sol	9,107[2]	50.5[3]	0.725[4]	Spanish Quechuan Aymara all other indigenous languages also see Languages of Peru
	Suriname Republiek Suriname	Paramaribo	163,821	470,784	2.9/km²	Surinamese dollar	8,947[2]	41.5[3]	0.680[4]	Dutch also see Languages of Suriname
	Uruguay República Oriental del Uruguay	Montevideo	176,215	3,477,779	19.8/km²	Uruguayan peso	13,961[2]	47.1[3]	0.783[4]	Spanish also see Languages of Uruguay
	Venezuela República Bolivariana de Venezuela	Caracas	916,445	28,199,822	30.2/km²	Venezuelan bolívar	11,726[2]	49.5[3]	0.735[4]	Spanish all other indigenous languages also see Languages of Venezuela

Non-member states

Observer states

Flag	Country[5]	Capital	Area (km²)	Population	Density (/km²)	Currency	GDP per cap. (PPP)[1]	Gini	HDI	Official, National, & Recognized languages
	Mexico Estados Unidos Mexicanos	Mexico City	1,972,550	112,322,757	57/km²	Mexican peso	14,151[2]	51.6[3]	0.770[4]	Spanish (de facto) 68 other indigenous languages also see Languages of Mexico
	Panama República de Panamá	Panama City	75,517	3,405,813	44.5/km²	Panamanian balboa United States dollar	12,242[2]	54.9[3]	0.768[4]	Spanish

References

1. at purchasing power parity, per capita, in international dollars (rounded)
2. Report for Selected Countries and Subjects IMF
3. Human Development Report 2010, United Nations Development Programme. Table 3 has the Gini coefficients by country. The year is not given for the Gini coefficient.
4. "Human Development Report 2011" (PDF). United Nations. 2011. Retrieved 12 November 2011.
5. "Historia". Secretary General of UNASUR. Retrieved 2013-07-12.