SDDS
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Special Data Dissemination System Plus (SDDS Plus ) - general informations
The SDDS Plus was established in 2012 and builds on the SDDS to guide member countries on the provision of economic and financial data to the public in support of domestic and international financial stability.
When an SDDS subscriber joins the SDDS Plus, it becomes an SDDS Plus adherent. An SDDS Plus adherent must observe additional requirements for nine data categories, in addition to being an SDDS subscriber in full observance of all SDDS requirements.
Although adherence is voluntary, it carries a commitment by an adhering member to observe the standard and to provide certain information to the IMF about its practices in disseminating economic and financial data.
The SDDS Plus standard covers the following sectors:
- Real sector
- Fiscal sector
- Financial sector
- External sector
- Population
The SDDS Plus, like the SDDS, identifies four dimensions of data dissemination:
- The data: coverage, periodicity, and timeliness;
- Access by the public;
- Integrity of the disseminated data; and
- Quality of the disseminated data.
For each of these dimensions, the SDDS Plus prescribes, as in the case of the SDDS, two to four monitorable elements—good practices that can be observed, or monitored, by the users of statistics. The data dimension lists 27 data categories, including the 18 SDDS and 9 SDDS Plus data categories, that provide coverage for the four sectors of the economy, and it prescribes the periodicity (or frequency) and timeliness with which data for these categories are to be disseminated. In recognition of differences in economic structures and institutional arrangements across countries, the SDDS provides flexibility. An SDDS Plus adherent maintains the right to apply the SDDS flexibility options available to it for the SDDS data categories under the SDDS Plus, but no flexibility options are available for any of the nine additional SDDS Plus data categories.
The monitorable elements of the SDDS Plus for access, integrity, and quality emphasize transparency in the compilation and dissemination of statistics.
- To support ready and equal access, the SDDS Plus prescribes (a) advance dissemination of release calendars and (b) simultaneous release to all interested parties.
- To assist users in assessing the integrity of the data disseminated under the SDDS Plus, the SDDS Plus requires (a) the dissemination of the terms and conditions under which official statistics are produced and disseminated; (b) the identification of internal government access to data before release; (c) the identification of ministerial commentary on the occasion of statistical release; and (d) the provision of information about revision and advance notice of major changes in methodology.
- To assist users in assessing data quality, the SDDS Plus requires (a) the dissemination of documentation on statistical methodology and (b) the dissemination of component detail, reconciliations with related data, and statistical frameworks that make possible cross-checks and checks of reasonableness.
- Consistent with this comprehensive view of data dissemination, dissemination itself is broadly defined to include electronic dissemination in addition to the more traditional formats
The Advance Release Calendar shows the release date for each data category at least
for the following four months. The National Summary Data Page contains the latest
actual data for all data categories prescribed by the SDDS SDDS metadata structure
are based on the Fund's Data Quality Assessment Framework (DQAF).
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