National Statistical Systems
Strengthens and coordinates the national statistical system
PARIS21 NSDS Observatory
Tracking National Strategies
Tracking National Strategies
for Better Statistics
The NSDS Observatory is the global reference for National Strategies for the Development of Statistics. To support countries in strategically planning and strengthening their national statistical systems to meet national, regional, and international data needs.
What is NSDS?
The National Strategy for the
Development of Statistics
NSDS is a country-led strategic approach to strengthening national statistical systems,
aligned with development priorities and international data needs.
It serves as a framework and a results-based process, guiding statistical development
through a structured lifecycle of stages, phases, and steps.
Why it matters
Who does the NSDS serve?
Policy Makers
Supports evidence-based decision-making
Development Partners
Clarifies national priorities to guide funding and technical support
Data Producers
Encourages coordination and consistency across data sources
Data Users
Improves access to relevant and reliable official statistics
NSDS Guidelines 3.0
The latest edition of the global
reference for statistical planning
Updated in 2020, the NSDS Guidelines 3.0 introduce a fully restructured lifecycle and a more accessible, user-friendly format and now available in four languages.
Read the Guidelines →
Need support
with your NSDS?
PARIS21 provides technical support to low and lower middle income countries to develop, monitor and evaluate their National Strategy for the Development of Statistics (NSDS), tailored to national priorities and needs.
ⓘ PARIS21 does not provide financial support for the implementation of NSDSs.
Contact us
paris21@oecd.org ↗
When emailing us, please attach the official letter from the Director General's office
Send a request
All fields are required, including a letter from the Director General's office.