18 SDG indicators evolution in Portugal in the period 2015-2021 * The indicator evolves in the desirable direction or has already achieved the desired results The indicator evolves in the opposite direction to the desirable path Without changes No evaluation (e.g. series to short or irregular; inconclusive) * From the first year available from 2015 until the last year available. Each circle represents one indicator. Source: «Sustainable development goals - 2030 Agenda. Indicators for Portugal - 2015/2021», Statistics Portugal.