Tuvalu experiences westerly gales and heavy rain from October to March, the period that is known as Tau-o-lalo, with tropical temperatures moderated by easterly winds from April to November.
The country's population has more than doubled since 1980 with a growth rate of 0.702%. The population at the 2002 census was 9,561,and the population at the 2012 census was 10,837 (2012 Population & Housing Census Preliminary Analytical Report). The population of Tuvalu is primarily of Polynesian ethnicity with approximately 4% of the population being Micronesian. The net migration rate is estimated at −7.02 migrant(s)/1,000 population (2011 est.)
Tuvalu, the world's second-smallest country and, according to the United Nations, one of the least developed, fulfils the classic image of a South Sea paradise. Visitors come to the islands to enjoy the peaceful atmosphere and palm-fringed beaches. Pandanus, papaya, banana, breadfruit and coconut palms are typical. Traditional buildings with thatched roofs can be seen virtually everywhere on the islands.