Back to Top

Microdata Cataloging Tool (NADA)


NADA is a web-based cataloging system that serves as a portal for researchers to browse, search, compare, apply for access, and download relevant census or survey information. It was originally developed to support the establishment of national survey data archives. The application is used by a diverse and growing number of national, regional, and international organizations. NADA, as with other IHSN tools, uses the Data Documentation Initiative (DDI), XML-based international metadata standard.

System Requirements

NADA requires a server running PHP 5.2 or later with a MySQL database.


Instantly publish DDI documents to the web Search surveys for rich metadata
Rich web interface to manage your DDI based codebooks Distribute external resources and microdata with ease


NADA 4.0 to 4.1 update

The patch includes a subset of files changed from version 4.0 to 4.1. Just copy and replace to update your NADA website to 4.1. The update includes the following fixes:

Fixed: Hide the citations tab if collection/catalog has no citations
Fixed: Import citations shows error "citation_string" is required.
Fixed: Misc. javascript issues on the manage studies page
Fixed: Sorting of the menu items does not work
Fixed: Removed use of datetime object for backward... more


NADA 4.1

NADA 4.1 is the latest official release and requires at least PHP 5.2 or above to run. We strongly recommend that you use PHP 5.3.x with the MySQL 5.x database.
Version 4.1 released on JUL-09-2013

NADA 3.2 Portable

NADA portable is a ready to use version of the software which includes an Apache web server with PHP/MySQL already installed and does not require any server configuration. This version is useful for testing or demonstration purposes only. While it provides a full featured NADA in a ready to use environment its performance is slower than an installation on a production server. It can also be run off a USB drive or portable hard drive. Note: it is not intended that this version be used in... more
Version 3.2-portable released on JUL-18-2012