Although no reliable statistics are available, emigration is known to take place to Trinidad, Guyana, Guadeloupe, and Martinique. In the past, the United Kingdom and the United States also accepted substantial numbers of migrants, and Canada is still receiving arrivals from the islands. In 1999 the net migration rate was -7.43 per 1,000 population. The number of migrants was estimated to be 8,000 in 2001. The government views the migration levels as satisfactory.