| Segment | Ebene | Beschreibung | Opt/Mand. |
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Generic statistical message is GESMES. Note: Generic statistical messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 GESMES D A UN | Mandatory |
| BGM | 0 | A segment specifying the functional use (e.g. sub-set) of the Generic Statistical Message and identifying the message sent. | Optional |
| DTM | 0 | A segment identifying dates which are relevant to the whole of the message. | Optional |
| SG1 | 0 | SG1 | Optional |
| FNT | 1 | A segment containing the unique identifier of the footnote. | Mandatory |
| FTX | 1 | A segment containing the text relevant to the footnote. | Optional |
| SG2 | 0 | SG2 | Optional |
| NAD | 1 | A segment identifying the name and address of a party. | Mandatory |
| IDE | 1 | A segment giving the identity number of the data transmitted as it is known by the organisation described in the NAD segment. | Optional |
| SG3 | 1 | SG3 | Optional |
| CTA | 2 | A segment identifying a person or a department for the party specified in the NAD segment and to whom communication should be directed. | Mandatory |
| COM | 2 | A segment providing a communication number for the contact identified in the CTA segment. | Optional |
| SG4 | 0 | SG4 | Optional |
| VLI | 1 | A segment identifying the value list. | Mandatory |
| DTM | 1 | A segment identifying the period of validity of the value list and, if the value list is a date list, then a date value in that list. | Optional |
| FTX | 1 | A segment containing text associated with the value list. | Optional |
| SG5 | 1 | SG5 | Optional |
| IDE | 2 | A segment containing an identifier of an object related to the value list (e.g. a statistical nomenclature from which the codes in the list are derived, or a footnote). | Mandatory |
| DTM | 2 | A segment containing date information related to the identified object of the value list such as validity date or date range. | Optional |
| SG6 | 1 | SG6 | Optional |
| GIR | 2 | A segment containing additional identifiers associated with the value list (e.g. for a statistical nomenclature this could be a revision number or level number). | Mandatory |
| DTM | 2 | A segment identifying the period of validity relating to the object identified in the GIR of this group. | Optional |
| SG7 | 1 | SG7 | Optional |
| CDV | 2 | A segment identifying a particular value of a code. | Mandatory |
| FTX | 2 | A segment containing the textual description of the code. Multi-lingual definitions may be present in different occurrences of this segment. | Optional |
| SG8 | 2 | SG8 | Optional |
| IDE | 3 | A segment containing an identifier of an object related to the code value (e.g. a related code list containing a list of code values for the code, or a footnote). | Mandatory |
| DTM | 3 | A segment identifying the period of validity relating to the object identification. | Optional |
| SG9 | 0 | SG9 | Optional |
| STC | 1 | A segment identifying a statistical concept. | Mandatory |
| FTX | 1 | A segment containing the name, definition or description of the statistical concept. | Optional |
| IDE | 1 | A segment containing the identity of a footnote relevant to the statistical concept. | Optional |
| SG10 | 0 | SG10 | Optional |
| ASI | 1 | A segment containing the unique identifier of the array structure. | Mandatory |
| GEI | 1 | A segment containing a processing indicator associated with the array structure. | Optional |
| FTX | 1 | A segment containing a name/title or description of the structure of an array. | Optional |
| IDE | 1 | A segment containing the identity of a footnote relevant to the structure. | Optional |
| SG11 | 1 | SG11 | Optional |
| SCD | 2 | A segment that defines a statistical concept or other object (such as a value list) used by an array and its position in the array. | Mandatory |
| ATT | 2 | A segment containing an attribute that further defines the structure component (e.g. type of value, type of measurement, etc.). | Optional |
| SG12 | 2 | SG12 | Optional |
| IDE | 3 | A segment identifying the value list or value. | Mandatory |
| ATT | 3 | A segment containing an attribute that further defines the value (e.g. type of value, type of measurement etc.). | Optional |
| DTM | 3 | A segment identifying period of validity of the value list or other dates relevant to the value list. | Optional |
| SG13 | 0 | SG13 | Optional |
| DSI | 1 | A segment containing the unique identifier of the data set. | Mandatory |
| STS | 1 | A segment containing information on the status of the information in the data set, e.g. its elaboration or privacy status. | Optional |
| DTM | 1 | A segment identifying a date relevant to the data set, e.g. date of original elaboration. | Optional |
| FTX | 1 | A segment containing a textual description of the data set. | Optional |
| GIR | 1 | A segment containing additional identifiers associated with the data set (e.g. identification of the source or destination of the data in the data set). | Optional |
| SG14 | 1 | SG14 | Optional |
| IDE | 2 | A segment containing an identifier relevant to the data set, such as the scope or structure definition used by the data set. | Mandatory |
| GEI | 2 | A segment containing a processing indicator associated with the array data. | Optional |
| DTM | 2 | A segment identifying a date relevant to the identity e.g. date relating to the scope of the data. | Optional |
| SG15 | 2 | SG15 | Optional |
| CDV | 3 | A segment identifying a particular value of a code. | Mandatory |
| FTX | 3 | A segment containing the textual description of the code. Multi-lingual definitions may be present in different occurrences of this segment. | Optional |
| SG16 | 2 | SG16 | Optional |
| SCD | 3 | A segment that identifies the structure component. | Mandatory |
| ATT | 3 | A segment containing an attribute that further defines the structure component (e.g. type of value, type of measurement etc.). | Optional |
| DTM | 3 | A segment specifying a date relevant to the structure component e.g. a date for time series data. | Optional |
| SG17 | 3 | SG17 | Optional |
| CDV | 4 | A segment identifying a particular value of a code. | Mandatory |
| FTX | 4 | A segment containing the textual description of the code. Multi-lingual definitions may be present in different occurrences of this segment. | Optional |
| ARR | 1 | A segment containing the data in the data set. | Optional |
| SG18 | 1 | SG18 | Optional |
| NAD | 2 | A segment identifying a particular department in an organisation responsible for the data set. | Mandatory |
| IDE | 2 | A segment containing an identifier used by the sender or receiver to identify the data set. | Optional |
| SG19 | 2 | SG19 | Optional |
| CTA | 3 | A segment identifying a person or a department for the party specified in the NAD segment and to whom communication should be directed. | Mandatory |
| COM | 3 | A segment providing a communication number for the contact identified in the CTA segment. | Optional |
| SG20 | 1 | SG20 | Optional |
| FNS | 2 | A segment identifying a set of footnotes, which are either defined in this group or have been defined previously. | Mandatory |
| SG21 | 2 | SG21 | Mandatory |
| REL | 3 | A segment defining the scope of a footnote in terms of the relationship between the data in the ARR segment in segment group 22 and the data in the ARR segment in segment group 13. | Mandatory |
| SG22 | 3 | SG22 | Mandatory |
| ARR | 4 | A segment containing data values that identify the location in the data set to which a footnote is relevant. | Mandatory |
| FTX | 4 | A segment containing a footnote value. | Optional |
| SG23 | 4 | SG23 | Optional |
| IDE | 5 | A segment containing the identity of a footnote relevant to the data in the data set. | Mandatory |
| FTX | 5 | A segment containing an uncoded attribute value. | Optional |
| SG24 | 5 | SG24 | Optional |
| CDV | 6 | A segment which specifies a coded attribute value. | Mandatory |
| FTX | 6 | A segment which specifies the name, description or definition of a coded attribute value. | Optional |
| SG25 | 1 | SG25 | Optional |
| FNT | 2 | A segment containing the unique identifier of the footnote. | Mandatory |
| FTX | 2 | A segment containing the text of the footnote. | Optional |
| UNT | 0 | A service segment ending a message, giving the total number of segments in the message (including the UNH & UNT) and the control reference number of the message. | Mandatory |