Dec 26 (Reuters) - Thousands of people lit candles, visited mass graves and observed two minutes of silence two years after an unprecedented tsunami pulverised villages along the Indian Ocean and killed 230,000 people. Here are some key facts about the Dec. 26, 2004 tsunami. * Toll of dead and missing: 229,361, according to collated figures from government ministries. * Number of dead and missing in Indonesia: 169,000 * Number of foreigners killed or unaccounted for: 2,672 * Number of countries affected: 13 (Indonesia, Sri Lanka, India, Thailand, Madagascar, Maldives, Malaysia, Myanmar, Seychelles, Somalia, Tanzania, Kenya, Bangladesh) * Number of people displaced: 2,089,883 * Number of people who lost their livelihoods: 1.5 million * Ratio of women and children killed to men: 3:1 * Duration of earthquake that triggered the 2004 Asian tsunami: eight minutes * Total aid pledges, including official aid and private donations: around $13.6 billion, more than enough to rebuild. * Private donations alone: $5.7 billion. * Total damages: $10.73 billion; rebuilding costs: $10.375 billion. (Sources: U.N. office of the Special Envoy for Tsunami Recovery, Oxfam International, Reuters Alertnet, government data)