The war that engulfed the rest of Indochina spread to Cambodia in April 1970, shortly after the coup that deposed Prince Sihanouk. Wartime conditions had a major impact on the country's economy, especially on the export sector. Production and export of virtually all commodities dropped sharply, as insecurity spread throughout the countryside. Intense combat in the nation's most densely populated farming areas caused a large segment of the peasant population to flee to cities and to towns. By 1975 the population of Phnom Penh had swollen to 2 million, from just 50,000 in 1955. Moreover, the war seriously dislocated the economic system. Food shortages arose as insurgents interrupted the transportation of crops from the countryside to the main marketing centers. Increasing budgetary expenditures, skyrocketing inflation, shrinking export earnings, and a rising balance-of-payments deficit plagued the war-torn economy.

The war's most damaging effect was on rice production. In 1972 Cambodia needed to import rice (from Japan and from Thailand) for the first time since independence. Fighting reduced the amount of land under rice cultivation to fewer than 800,000 hectares in 1972, far less than the approximately 3 million hectares that had been under cultivation in 1969. The 1972 rice harvest amounted to only 26.8 percent of the 1969 harvest. Exports of natural rubber, the country's second leading foreign-exchange earner, ceased shortly after hostilities began in 1970. The war destroyed extensive rubber plantations and damaged rubber-processing facilities.

In late 1970, Lon Nol, who succeeded Sihanouk, continued to liberalize the economy in an effort to save the country from economic disaster. This endeavor was a continuation of the policies he had enacted as head of the government of "national salvation" in August 1969. Under Lon Nol's direction, Phnom Penh limited the control and the authority of the state export-import agency (Société nationale d'exportation et d'importation--SONEXIM), which had been established in 1964 to administer foreign trade, to denationalize banks and industries, to encourage private foreign investments, and to allow greater private participation in the economy. The new economic policies of the Khmer Republic gradually reversed the pattern of state socialism that had formed the keystone of Sihanouk's domestic policies.

On October 29, 1971, the government implemented a comprehensive program of reforms to stabilize the economy. These reforms included increased import taxes on all nonessential commodities increased interest rates on bank deposits and on commercial loans elimination of credit to state enterprises and to public utilities introduction of a flexible currency exchange system and simplification of the import system to facilitate the movement of goods. The emphasis of the program was to restore monetary stability in the face of rising inflation, financial speculation, black markets, and other economic problems caused by the war. In a change of policy, the government also moved toward greater involvement with international and withb97 th regional organizations and sought support from the World Bank (see Glossary), the International Monetary Fund (see Glossary), and the Asian Development Bank.

As the war progressed, Lon Nol's government aimed major economic measures mainly at improving the overall food supply situation and at maintaining public confidence in the continued availability of essential consumer items. To ensure adequate domestic supplies, in November 1971 Phnom Penh suspended grants of export licenses for major export commodities, such as rice, corn, and cattle. Although the move helped maintain stocks of essential commodities in the capital and in provincial centers, supplies were small relative to demand.

The Lon Nol government had earlier declared in principle that it maintained a policy of "strict neutrality" and would accept foreign assistance from "all countries which love peace and justice." As early as April 20, 1970, Cambodia formally requested military and economic aid from Washington to help cope with growing war expenditures and with an increasing budgetary deficit. As military activity in the country intensified, the United States became Cambodia's largest donor and supplier. Moscow, however, sent medical equipment and, in October 1971, the Soviets renewed a financial agreement with the republican regime. The Economic Support Fund, to which the United Nations (UN), the United States, Britain, Japan, New Zealand, Thailand, and Malaysia pledged their contributions, provided US$21 million in auxiliary relief. Other nations, including Italy, Israel, West Germany, and Switzerland, provided funds mostly to assist war victims. France earmarked its aid for the maintenance of French educational programs and cultural institutions. Nevertheless, these palliative measures fell far short of what was needed. By 1975 the economy had collapsed, and the country was surviving mainly on imported food financed by the United States government.

Data as of December 1987