The average humidity is 82% and, although rain falls more frequently between July and October, there is still much sunshine. Palau lies on the edge of the typhoon belt. [20] It signed a Compact of Free Association with the United States in 1982. However, the Spanish presence only began to express with evangelization, began at the end of the 17th century, and its dominance began to take shape in the 18th century. During World War II, the United States captured Palau from Japan in 1944 after the costly Battle of Peleliu, when more than 2,000 Americans and 10,000 Japanese were killed. For example, Ngerukewid islands and the surrounding area are protected under the Ngerukewid Islands Wildlife Preserve, which was established in 1956.[54]. [33], Palau has maintained close ties with Japan, which has funded infrastructure projects including the Koror–Babeldaob Bridge. The income tax has three brackets with progressive rates of 9.3 percent, 15 percent, and 19.6 percent respectively. Palau is divided into sixteen States (until 1984 called municipalities). For further undergraduate, graduate and professional programs, students travel abroad to attend tertiary institutions. The population enjoys a per capita income twice that of Micronesia as a whole. During World War II, skirmishes, including the major Battle of Peleliu, were fought between American and Japanese troops as part of the Mariana and Palau Islands campaign. Andrés Serrano was sent to Europe in 1705, essentially copying the information given by Klein. In international politics, Palau often votes with the United States on United Nations General Assembly resolutions. The country contains approximately 340 islands, and together with parts of the Federated States of Micronesia, forms the western chain of the Caroline Islands. United Nations General Assembly Resolution 49/63, "The President of the Republic of Palau to Visit Japan", General Assembly – Overall Votes – Comparison with U.S. vote, "Ahead of World War II Anniversary, Questions Linger Over Stance of Japan's Premier", "Pacific nations extend bans on tuna fishing", "The Constitution of the Republic of Palau", "Issues Associated. As of 1995 the resident population of Palau was 17,225. Palau's economy consists primarily of tourism, subsistence agriculture and fishing. A remote group of six islands, known as the Southwest Islands, some 604 kilometers (375 miles) from the main islands, make up the states of Hatohobei and Sonsorol. Germans sent Roman Catholic and Protestant, Japanese sent Shinto and Buddhist, and Spaniards sent Roman Catholic missionaries as they controlled Palau. [72], According to 2015 estimates 45.3% of the population is Roman Catholic (due to its shared colonial heritage with the Philippines), 6.9% Seventh-day Adventist, 34.9% other Protestant (due to American colonial rule), 5.7% Modekngei and 3.0% Muslim (due to its shared Islamic heritage with southern Philippines).