According to INSEE the population of French Guiana was 268,700 as of January 1, 2017. The population is very young: 44% are below the age of 20, while only 1.7% are 75 years or older. The age distribution is a reflection of the high fertility rates of French Guiana.
On January 1, 2010, 64.5% of the population had French nationality, while 35.5% had a foreign nationality. Of these, Surinamese (13.8% of the total population), Haitians (8.8%) and Brazilians (8.7%) were the largest groups. Smaller groups included people with nationality of Guyana (1.7%), Colombia (1.0%), China (0.5%), the Dominican Republic (0.4%) and Peru (0.2%).
The total fertility rate in French Guiana has remained high and is today considerably higher than in metropolitan France, and also higher than the average of the French overseas departments. It is largely responsible for the high population growth of French Guiana.
The infant mortality in French Guiana is higher than in metropolitan France:
2007-2009: 12.0
2008-2010: 11.6
2009-2011: 10.1
At birth, life expectancy is 76.2 years for male children, and 82.8 for female (figures for 2011).
Estimates of the percentages of French Guiana ethnic composition vary, a situation compounded by the large proportion of immigrants.
Creoles, or Mulattoes (people of mixed African and French ancestry), are the largest ethnic group, though estimates vary as to the exact percentage, depending upon whether the large Haitian community is included as well. Generally the Creole population is judged to be about 60 to 70% of the total population if Haitians (comprising roughly one-third of Creoles) are included, and 30 to 50% without.
Roughly 41,000 people or 14% of the population of French Guiana is of European ancestry. The vast majority of these are of French heritage, though there are also people of Dutch, British, Spanish and Portuguese ancestry.
The main Asian communities are the Chinese (about 3-4%, primarily from Zhejiang province in mainland China and Hong Kong) and Hmong from Laos (1-2%).
