Data on pigs is extracted from the Pig Census. Data on sheep and goats is extracted from the Sheep and Goats Census. Data on cattle and dairy cows is extracted from the Cattle Census. All censuses have 1 December of each year as reference date.

The Nomenclature of Territorial Units for Statistics (NUTS) was established by Eurostat to provide a single uniform breakdown of territorial units for the production of regional statistics for the European Union.

Stock of PV installations and estimated total kWh produced by connected PVs by district and years (2010 - 2014).

Accessibility to internet by individuals from a particular location. Access does not refer to whether or not connections can be provided in the area or street but to whether a particular person could use the internet from home, business (via portable devices) etc. The data set refers to the year 2011.

Total photovoltaic panels installed in the domestic sector per 1,000 residents in each locality up till 2014. Data was collected from the Malta Resources Authority (MRA).Photovoltaic (PV) system is a complete set of components for converting solar radiation into electricity by the photovoltaic process, including the array/s of photovoltaic modules that collect and absorb sunlight for conversion into electricity, inverter/s and associated balance of system components.

Early school leavers refer to the percentage of persons aged 18-24 who achieved secondary education or less (ISCED <= 2) and are not pursuing further education or training.

The at-risk-of-poverty or social exclusion rate corresponds to the proportion of persons who fall within at least one of the following three categories: persons whose equivalised income falls below the at-risk-of-poverty threshold; persons who live in severely materially deprived private households; and persons who live in private households where the working intensity (WI) is below 20 per cent.

The data on expenditure under the various social protection schemes are drawn up according to the ESSPROS (European System of integrated Social Protection Statistics) Manual issued by Eurostat. Generally, the objectives of ESSPROS are to provide a comprehensive, realistic and coherent description of social protection which: (i) covers social benefits and their financing; (ii) is geared towards international comparability; and (iii) is completely harmonised with other statistics, particularly the National Accounts, in its main concepts.The Disability function contains the following benefits: Decreased National Invalidity Pension, Disablement Gratuity, Injury Pension, Increased Invalidity Pension, Invalidity Pension, National Minimum Invalidity Pension, Disabled Child Allowance, Disability Pension and Severely Disability Pension. Spatial ESSPROS data is represented per 1000 population. The data source used to compile the beneficiaries data is the System for the Administration of Social Benefits (SABS) database held by the Department of Social Security. Beneficiaries are grouped according to their ID card number. If a person received a particular benefit more than once in a calendar year, the records show one beneficiary. Beneficiaries obtaining more than one benefit under the same function are counted once. Beneficiaries living abroad are not included in the data

The ratio between the sums of the highest and lowest 20 per cent equivalised incomes of persons within the households.

The local administrative units, abbreviated as LAUs, form a system for dividing up the economic territory of the European Union (EU) for the purpose of statistics at local level. They have been set up by Eurostat and they are compatible with NUTS. The LAU classification is equivalent to the classification of all Maltese local councils into six districts by Malta Geographic Codes (MGC). At local level, two levels of LAU have been defined: the upper level (LAU1, formerly NUTS level 4) which are the six districts and the lower level (LAU2, formerly NUTS level 5) which consist of the 68 local councils.