Lucia also has a small livestock sector, which is dominated by poultry. The island is self-sufficient in egg production and production of poultry and pork has increased in recent years. Fishing has also been of considerable importance to the nation's economy. Infrastructure Saint Lucia has a wide ranging public bus network which covers most of the island. Busses are owned by private individuals, whilst the government is responsible for setting up routes and hubs. The road network covers most of the island, although some rural areas still lack access to proper roads. The island has two airports, including one International airport. Cruising and yachting are very important to the country's economy, with the main sea port being located in Castries, while the main marina is located in Rodney Bay. Meanwhile, the nation's main oil refinery is located in Bexon. The main source of electricity in Saint Lucia is oil, although solar energy is also a major source. There have also been attempts to introduce geothermal and wind energy to the island. Demographics A census is normally held in Saint Lucia every 10 years. In the last census, held in 2010, Saint Lucia reported a population of 165,595 in 58,920 households. This was a 5.1% increase from the 157,490 recorded at the previous census in 2001. Ages 0–14 made up 24.1% of the population whilst those 65 and over made up 8.6%. Nearly 40% of the island's population lived in the District of Castries, where the nation's capital of the same name is located. Saint Lucia had a fertility rate of 1.4 children per woman in 2021, the lowest in the Americas. This is much lower than in 1990, when the birth rate was 3.4 children per woman, and significantly lower than in 1959, when the birth rate peaked at 6.98 children per woman. Most emigration from Saint Lucia is primarily to Anglophone countries, with the United Kingdom having almost 10,000 Saint Lucian-born citizens, and over 30,000 of Saint Lucian heritage. The United States is home to many Saint Lucians, especially areas such as Miami and New York. Canada is also home to many Saint Lucians. The median age of Saint Lucians was 33.1 years in 2021. Ethnic groups Saint Lucia was originally populated by Amerindian peoples. However, European colonisation led to a significant drop in the indigenous populations. Whilst most residents of the island were white planters, African slaves and