The competitiveness of regions in Latvia is affected by various factors – inside and outside factors. One of the most important factors is human capital. The human capital of the country is the average amount of inhabitants’ knowledge, talent and skills, which is multiplied by number of economically active inhabitants. In the “ Latvian sustainable development strategy till 2030” one of the goals is to keep the existing value of human capital and to increase its productivity till the average level of EU by development of skills which promote innovation and creativity, flexibility of job market. Processes, that influence the value of human capital in regions, and in such way the competitiveness of regions, are essential demographical changes in the future – population in Latvia and its regions are aging and the number of inhabitants decreases. Use of HCI can help to find out those areas, in which there are the biggest problems and it will be easier to find the necessary solvings to achieve our gouls.