The dataset provides time lags (difference in years between achievement of a given value of a development indicator in a developing country and a benchmark country) for 156 countries of the world, annually between 1920 and 2020 for nine indicators (GDP per capita, employment in agriculture, male and female life expectancy, infant mortality, education attainment, passenger car and telephone usage, CO2 emissions index). The data is provided in table format and as graph for individual countries and regions of the world.