The document discusses various macro-economic factors that affect tourism in India, including growth in tourist arrivals from 16,000 in 1951 to over 2.6 million in 2000, making tourism the second largest foreign exchange earner after clothing and gems. It notes that about 9.2% of India's GDP in 2018 came from tourism according to the WTTC. The macro-economic factors mentioned as influencing tourism are inflation, taxes, government policies, foreign direct investment, population, income and expenditure levels, GDP, and geopolitical conditions.