Vientiane: Inside a quiet, air-conditioned office, Mr. Lienthong Souphany, Head of the Central Census Office, and two staff members are gathered around a laptop. Their eyes are fixed on a digital dashboard. As one team member scrolls from the northern peaks of Phongsaly down to the southern reaches of Attapeu, another records the real-time data flashing on the screen.
According to Lao News Agency, this ‘real-time monitoring system’ is one of the key features of the 2025 Population and Housing Census (PHC), the first-ever digital census in the Lao PDR. This development marks a major shift from a paper-based approach to a modernised census, transforming the way population and demographic data are collected, stored, and used in the country.
After four years of preparation under the leadership of the Government of the Lao PDR, and with technical support from UNFPA and development partners including Australia, China, Switzerland, Luxembourg, the United States, Germany, the World Bank and other UN agencies, nationwide field data collection for the 2025 PHC was launched on 3 November 2025.
During this eight-week period, more than 12,000 trained enumerators were deployed across the country. In a major advance on previous censuses, they replaced paper forms with tablets equipped with smart interviewing software. This enabled data to be synchronised instantly to a secure central server at the LSB, giving the management team a ‘live’ view of census progress.
In previous censuses, reliance on paper forms created a significant delay between data collection and analysis. Millions of physical documents had to be transported from across the country, including remote areas, to a central location where they were manually coded and entered into databases. By contrast, the 2025 digital approach uses tablets with built-in validation checks, ensuring that information is verified at the point of entry and preventing inconsistent or missing data before enumerators even leave the household.
Under the paper-based system, supervisors often had to wait weeks to identify bottlenecks or errors in the field. With the new real-time monitoring system, the Lao Statistics Bureau can track the progress of more than 12,000 enumerators through GPS-tagged submissions and instant synchronisation. This ‘live’ visibility enables immediate troubleshooting and quality control, ensuring that the census is not only faster but also significantly more accurate than any previous effort.
By 28 December, field data collection had covered 3.6 million buildings, achieving 99 per cent of the target. To ensure that no one was left behind, a follow-up mission revisited more than 3,500 areas in early 2026 to reach those who may have been missed.
Mr Vilaysook Sisoulath, Deputy Head of the Socio-Economic Statistics Department at the LSB, describes the 2025 census as the most advanced statistical operation in the country’s history. ‘Unlike the old paper-based methods, we now use satellite imagery and digital maps to identify every household,’ he says.
Mrs. Phetsamone Sone, Head of the LSB, notes that the 2025 census is about more than just numbers; it provides the baseline for the country’s next five-year development plan (2026-2030). Mrs. Phetsamone, who is also a member of the National Assembly, emphasises that this achievement was built on strong partnerships.
UNFPA Representative Dr Bakhtiyor Kadyrov notes that the success of the 2025 census was made possible through close collaboration between the Government, UNFPA, development partners and other stakeholders. ‘A census is not just about numbers; it is about people,’ he says.
After four years of preparation, the 2025 Census has now moved from data collection to the analysis and reporting phase. The knowledge and technology gained through this first digital census have transformed the statistical landscape of the Lao PDR. They have also laid a strong foundation for further modernisation, enabling the country to produce high-quality data that will help shape a more inclusive and prosperous future where no one is left behind.