Population Census (2008): 8.26 millionGDP Growth: -2.30% (2021)Inflation Rate: 58.21% (May, 2025)
Population Census (2008): 8.26 millionGDP Growth: -2.30% (2021)Inflation Rate: 58.21% (May, 2025)

Data Collection Methods

A comprehensive overview of the methodologies, technologies, and approaches used by the National Bureau of Statistics to collect, process, and validate statistical data across South Sudan.

About Our Data Collection Methods

The National Bureau of Statistics employs a comprehensive range of data collection methodologies tailored to specific statistical needs, population characteristics, and resource constraints. Our methods adhere to international statistical standards while adapting to the unique context of South Sudan.

We continuously innovate our approaches, incorporating technological advancements and methodological improvements to enhance data quality, efficiency, and coverage across all statistical activities.

Methodological Principles

  • Scientific sampling techniques for representativeness
  • Rigorous quality assurance protocols
  • Ethical standards and respondent protection
  • Transparent methodology documentation
  • Technological integration for efficiency

Our Approach

Our data collection strategy combines traditional methods with modern technologies, ensuring that we capture accurate and timely information while respecting cultural contexts and operational constraints.

People-Centric

Quality-Focused

Innovative

Standards-Aligned

Primary Data Collection Methods

Sample Surveys

Household Surveys

Systematic data collection from a sample of households to represent the entire population. Used for collecting socio-economic, demographic, health, and living conditions data.

Demographic and Health Surveys
Living Conditions Surveys
Labor Force Surveys

Establishment Surveys

Data collection from businesses, farms, and institutions to understand economic activities, production patterns, and service delivery across different sectors.

Business and Economic Surveys
Agricultural Surveys
Service Sector Surveys

Sampling Methods Used

Stratified Sampling

Population divided into homogeneous groups before sampling

Multi-stage Sampling

Selection in multiple stages (clusters, then households)

Systematic Sampling

Selecting every kth unit from a sampling frame

Cluster Sampling

Groups of population units selected as sampling units

Censuses

Population & Housing Census

Complete enumeration of all individuals and housing units in the country. Provides fundamental demographic, social, and economic data for the entire population.

Complete population coverage
Comprehensive demographic data
Detailed housing information

Economic Census

Complete enumeration of all business establishments and economic units in the country. Provides comprehensive data on economic activities, employment, and business characteristics.

All economic sectors covered
Business demographic data
Employment statistics

Administrative Data

Administrative Records

Utilization of data collected by government agencies and institutions for administrative purposes. Provides cost-effective data for statistical purposes when properly processed and standardized.

Civil registration systems
Government agency records
Institutional databases

Integration & Processing

Administrative data requires significant processing, standardization, and integration to be useful for statistical purposes. This involves data cleaning, harmonization, and record linkage.

Data harmonization
Quality validation
Record linkage systems

Technology-Based Methods

Digital Data Collection

Use of digital tools and platforms for efficient and accurate data collection. Includes mobile applications, online platforms, and specialized software.

Mobile data collection (CAPI)
Online survey platforms
Geospatial technologies

Innovative Approaches

Adoption of emerging technologies and innovative methods to enhance data collection efficiency, accuracy, and coverage across diverse populations and regions.

Real-time data validation
Remote sensing applications
Automated quality checks

Quality Assurance Framework

Data Quality Dimensions

Accuracy

Ensuring data closely represents the true values through validation and verification processes

Timeliness

Ensuring data is available when needed for decision-making processes

Coherence

Ensuring consistency across different data sources and time periods

Quality Control Procedures

Design Phase

Rigorous questionnaire testing and sampling design validation

Field Preparation

Comprehensive enumerator training and field practice sessions

Data Collection

Continuous field supervision and real-time monitoring

Processing Phase

Systematic data validation, cleaning, and verification

Analysis Phase

Cross-validation and methodological consistency checks

Methodological Innovation

The National Bureau of Statistics is committed to continuous improvement and innovation in data collection methods. We explore new approaches to enhance data quality, efficiency, and coverage while maintaining methodological rigor.

Mobile Technology

Expanding use of mobile data collection platforms and applications

Data Integration

Developing frameworks for combining multiple data sources

Innovative Approaches

Testing new methods for sensitive topics and hard-to-reach populations

Our Commitment

We continuously evaluate and adopt innovative methods to improve the quality and efficiency of statistical data collection in South Sudan.