Data governance is a data management concept concerning the capability that enables an organization to ensure that high data quality exists throughout the complete lifecycle of the data. The key focus areas of data governance include availability, usability, consistency[1] ,
data integrity and data security and includes establishing processes to ensure effective data management throughout the enterprise such as accountability for the adverse effects of poor data quality and ensuring that the data which an enterprise has can be used by the entire organization



Data Governance is required to ensure that an organization's information assets are formally, properly, proactively and efficiently managed throughout the enterprise to secure its trust & accountability. ... Adopting and implementing Data Governance can result in improved productivity and efficiency of a country

. Data Harmonization

Simply put, Data Harmonization is all about creating a single source of truth. It does this by taking data from disparate sources, clearing away any misleading or inaccurate items, and presenting it as a whole. This means you get a single window view of everything and anything that supports ongoing decision-making, including financial information and business performance. Data is coming at you from different sources, but once it’s harmonized, it’s been cleaned, sorted, and aggregated to provide a complete picture.


Some Benefits of Data Governance Include:
Lower costs associated with other areas of
.
More accurate procedures around regulation and compliance activities.
Greater transparency within any data-related activities.
Help with instituting better training and educational practices around the management of data assets.
Increase in value of an organization’s or the nation data.
Ability to provide standardized data systems, data policies, data procedures, and data standards.
Better resolution of past and current data issues.
Improved monitoring and tracking mechanisms for and other data-related.

Merits of Data Governance n Harmonisation.
It supports the government decisions,curb corrupt practices.such as impersonation,forgery and so much society evils around management of data governance .
Government data collection Agencies, NPC,NIMC, FIRS,etc connecting under one Umbrella , a basic registry, a centralised data administrative system that creates data infrastructure with the view to harmonize national data into a single window , would help to support FG decisions on socio-cultural problems,unemployments ,crimes and so much more.
NPC NIMC( National identity card management commission) prints ID cards and papers..Nigeria need to know her citizens by who they are and not what they carry...so many people of complained of fake teachers,impersonations ,advance fee fraud.
The implementation of the above topical issue,would create a long a way to put Nigeria on top of pools of talents, mirror for west african countries and commanding heights of excellence among the world at large.