Speaking at an Association of Southeast Asian Nations (ASEAN) business forum in the Indonesian capital, the Western-educated leader said Cambodia had recently launched an overarching national economic vision to "safeguard the nature of hard-gained peace and accelerate national development to achieve the milestone of becoming a high-income country by 2050."
The vision involves developing human capital, the digital economy and inclusivity and sustainability, he said, referring to it as the "pentagon strategy."
In a country once riven by decades of war, Cambodia has now evolved to a lower-middle income nation with economic growth rates of 7%, he said.
Speaking ahead of the annual ASEAN summit on Tuesday, the Westpoint graduate and four-star general acknowledged a tightening of geopolitical rivalry among major powers, which he said was putting pressure on "peace, security and prosperity for ASEAN as a whole."
Observing that "war cannot be ended by war," Hun Manet called on ASEAN and international communities to oppose the threat of force against a sovereign state, and said ASEAN and the United Nations must "adhere to the spirit of independence, sovereignty, territorial integrity and non-interference."
Cambodia's parliament approved Hun Manet as prime minister in August.
Hun Sen, one of the world's longest ruling leaders, has said he expects his son to continue his leadership style and will himself remain in politics.