The projected population at the start of the planning period in 2018 is 59,658. Assuming a constant annual growth of 1.72%, the projected population in 2028 is 70,835. There are 12,613 projected number of households in 2018 which will grow to 14,976 in 2028. Urban population is projected to be 15,150 in 2018 and 17,988 in 2028. The number of people living in the rural barangays will increase from 44,508 in 2018 to 52,847 by 2028. The doubling time, or the time required for Irosin’s population to double itself given the present fixed growth rate of 1.72% is 40 years. (Refer to Table DE-11) By 2018, the school age going continue reading : Estimates and Future Projections of Demography
Historical Growth of Population Irosin’s population has grown from 8,644 in 1903 to 56,662 in 2015 with a cumulative increase of 48,081 or 556%. In this 112 years period, the average growth rate of the population is 1.68% per year. From the first census in 1903 to 1918, the population grew by 3.39% annually. There was a sharp decline in growth in the period 1918 to 1939 that rebounded back up to 1.79% annually by 1980. From 1980, there was again a decline to 1990 and increasing trend up to 2.23% by 2000. There is a decreasing trend in annual population growth rate from a high of 3.39% in the continue reading : Population Change
There are 463 registered businesses from the tertiary sector in 2016 which are engaged in trade, transportation, finance and business service, and community, social and personal services. Majority of these establishments are wholesale and retail stores selling various kinds of merchandise including meat, fish and vegetable dealers. There are also service shops, eateries, bakeries, food processors, drugstores, and amusement centers and video shops. Buying stations are found along M. L. Quezon Street where copra, palay and abaca are traded. Agricultural supplies, automotive parts dealers, appliance dealers and gasoline/refilling stations are also thriving. Trading and business transaction in Irosin are concentrated mainly at the Central Business District (CBD) in the town continue reading : Commerce and Trade
Labor Force Population and Employment The labor force population, or those 15 years and over, is 36,194 or 64% of the total population in 2015. Of these, 52% are employed while 48% are not employed . Of all males 15 years and above, 73% are employed while only 30% are female. The provincial employment rate is at 56%. The local unemployment rate in 2013 is 17.9% . Of the 18,646 gainfully employed population, 28% are laborers and unskilled worker, 22% are skilled agricultural workers, 15% are service and sales workers, 8% are craft and related trades workers. (Refer to Table DE-9) Literacy, Educational Attainment and Attendance to School In continue reading : Other Population Characteristics
The environmentally critical areas in the municipality under Presidential Proclamation No. 2146 are the NIPAS areas, timberlands, areas that are prone and vulnerable to natural hazards, areas with critical slopes, areas classified as prime agricultural lands and water bodies.