General Data Dissemination System
|I. Data Characteristics|
5.1.1 Statistical presentation
The annual data are published in Trade Summary showing goods commodity details; the quarterly publications are released in the form of Statistical News. There are other publications like foreign trade statistics, which covers a period of three years and foreign Trade Review that covers a period of four years. Trade summary for 2001 is now available. Also foreign trade statistics and trade review for 2000 and 2001 are ready.
2.1.1 Concepts and definitions
The foreign trade statistics generated are in line with the general trade concept. The UN “International Trade Statistics Concepts and Definitions” are equally adopted.
Scope of the data
Exceptions to coverage
Excluded from the statistics are passenger’s luggage, diplomatic goods, goods in transit, monetary gold and military equipment.
Goods are described by the Harmonized Commodity and Coding System (HS) on 10 digits classification.
Imports are valued at cost, insurance and freight (CIF) and exports at free on board (FOB). Values expressed in foreign currency are converted to Naira (
3.1.1 Source data collection programs
The Nigeria Customs Bill of Entry has been the major source of foreign trade data in
The ASYCUDA System became operational in
Following the introduction of the automated system of custom data (ASYCUDA) in Nigeria, Federal Office of Statistics received statistical extraction from the ASYCUDA system from the major Customs Offices while custom Single Goods Declaration (SGD) forms from other stations are keyed into the Eurotrace System for processing.
The Central Bank of Nigeria (CBN) also collects and publishes trade figures based on the assumption that merchandise trade can be totally captured through the international transaction reporting system by using the returns from money deposits in Banks by the would – be importers exporters. It is often discovered that such deposits sometimes are not used for their initial purposes. The external trade data compiled by CBN are primarily for preparation of balance of payments.
Quarterly and annually.
The annual publications are having about twelve months lag and the quarterly one about six month lag Q1 2002 has been published.
|Documentation of Methodology
5.2.1 Dissemination of documentation on concepts, scope, classifications, basis of recording, data sources, and statistical techniques
Currently the methodology is not disseminated. See plans for improvement.
The Nigerian Customs Bills of entry are now automated under ASYCUDA. From it we receive statistical extractions which we key into the EUROTRACE System for processing along with the oil figures obtained from the NNPC and other oil companies.
Data to Support Cross-checks and Assurance of Reasonablenes
4.2.1 Internal consistency
Within the publications there are various tables which provide cross checks for reasonableness of the data.
Comparison with IMF Direction of Trade data is being examined along with CBN compiled data and estimates. There is also a regular dialogue with the major suppliers like NNPC, Customs and
|III. Plans for Improvement|
Plans for improvement - Recent improvements
Plans for improvement - Short-term
Plans for improvement - Medium-term
Technical Assistance/Financing Needs/Other Prerequisites
Plans for improvement - TA/financing needs - Short-term
Plans for improvement - TA/financing needs - Medium-term
0.2.1 Training on methodology for compilation of trade indices.
Training on methodology for compilation of trade indices.
|IV. Dissemination Formats|
“Statistical News” (in English) 1st quarter 2002 is now available.
“Nigerian Foreign trade Summary” (in English), 2001 is ready.
(I) "Foreign trade statistics of Nigeria" (English), 1998 –2000 is ready.
|Other (specify)||Available on request|