B. Poverty and inequality
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              Indicator
             
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              Sub-Classification
             
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              Data
             
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              Date/Period of Measurement
             
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              Frequency of Measurement
             
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              Data Sources
             
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              Remarks
             
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          | Proportion of the population below a defined poverty line | 
          Whole kingdom | 
          12.9% | 
          1998 | 
          Bi-annual | 
          National Economic and Social Development Board (NESDB) | 
            | 
        
        
          | by region | 
          Bangkok | 
          0.6% | 
        
        
          | Central | 
          7.7% | 
        
        
          | North | 
          9.0% | 
        
        
          | Northeast | 
          23.2% | 
        
        
          | South | 
          14.8% | 
        
        
          | Income shares of population groups | 
          by income group | 
          Quintile 1 | 
          4.8% | 
          1998 | 
          Bi-annual | 
          Socioeconomic survey, NSO. Processed by Development Evaluation Division, NESDB | 
            | 
        
        
          | Quintile 2 | 
          8.4% | 
        
        
          | Quintile 3 | 
          12.7% | 
        
        
          | Quintile 4 | 
          20.2% | 
        
        
          | Quintile 5 | 
          53.9% | 
        
        
          | Gini-coefficient | 
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          48.1 (Gini index) | 
          1998 | 
          Bi-annual | 
          the same as above | 
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          | Number of rural households achieving sustainable food security | 
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          Not available | 
        
        
          | Indebtedness among rural households | 
          Whole kingdom (Baht) | 
          43,496 | 
          1996 | 
          Bi-annual | 
          1996 Household Socio-Economic Survey, National Statistics Office, Office of the Prime Minister | 
          Rural households indebtedness is defined as an average households indebtedness among villages and sanitary districts areas for the whole kingdom. | 
        
        
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