CINXE.COM

Just a moment...

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.oecd.org",cType: 'managed',cRay: '913875071cf99d08',cH: 'ddewqIP9ptlrg1ZzKS.RJyVgTyVWwsZbwRYQ.df2sSo-1739823407-1.2.1.1-IXhYZGmC5KZeNRnKmmWB_.lgw8ZEecCv2f2BF8mjFTmM21dWhjO_D6d_OFzYsaAk',cUPMDTk: "\/en\/topics\/sustainable-development-goals-sdgs.html?__cf_chl_tk=UUZmBUultvKOvnQAbb.OIBJoejJihjC4RQcOWPe7k7c-1739823407-1.0.1.1-zbcxyvH8I0sagFyGeiIpD7qbghBh7YaiZ_j_UiBsrvA",cFPWv: 'g',cITimeS: '1739823407',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/en\/topics\/sustainable-development-goals-sdgs.html?__cf_chl_f_tk=UUZmBUultvKOvnQAbb.OIBJoejJihjC4RQcOWPe7k7c-1739823407-1.0.1.1-zbcxyvH8I0sagFyGeiIpD7qbghBh7YaiZ_j_UiBsrvA",md: "VFNV3akoOlJzWmhfq0eaxEsSlIBWRMRDhSgvBmuXUm8-1739823407-1.2.1.1-ukOxHR4EEjwYs02UaKtlCT0uLZyB3zJsydq2X2YdDkLK5dmIuWFQ26QB3aOGYqZi0HRqFMrjBaDclpUObIjasXV0i6O_vYrRkuLnpUCVxJypJ5HONSAqi9VGBZ41WHwSy0cdDwS2yyt5HSqUufIwjgIcatiVF3gezrhYLjOEVWWub_ookCQyTBIDJpyU_EJjfxcwJsfOxXUAGIwQy1J5EsLbLYnr3z1kFdzPy_einXcmiS5s7M5Eyr3YrJhRjNPV6oFjExenlQv9o4mHMHRH1wVKPhoquI.csBtDsWfsIHwQsZ4ycjbTCIfBaLpq5cnYhN_lNUni0RO_obdLuJMmgVWEsg_mptgk.as9DtG_abSeXjFWJURiOsSivPGwuN_Bbm21XSVy0TfVp6Y2MOEoHG9EHxn6auUQrlalF8Re8QoucO6xl6IJyLhPr_sjCqIasdgZOGYsmi2bDc0n9uDqvCxbx8q.HblAO8MTguLY1XGpC6GzaoyebwxPmX50eoCPPwyJAhWnLfd2MYtJ0.LnVAJuoMS1e1xbMN3fFdDaGE62OAsbTRHxX_QqKik3ZpKpWjoqgekq9YiXSVcuGVVyy0htlrZtKi9I.xG5Q5mbrXess6ZIP07k4jZf3zQojJnSzVDolOP4IJHgULxbVkRdKC5Uy6lJdMGrA5YOePOuTmIbUKA7tq8pvadfKu2yLybZlBRB0bb_wbxQey2LcGwwJT_50wrrszkdjCHXiVCqTwEJqysVVj4mOugDWGkzmswnO9CSyogpDvyaROYkuEqAWK07oX.CcBTLCxuIQ9qsrrmDdXx_6tahznlPGfv5cqDM0edPOO4kpNF7JdnV51LdZIfPEQ_XBODoog1NMLC9tu4Ph.99A2GEJZTmrxCmThpG3DkMUOcGVVstGxj3KVcGbniLqF6FO0L2L9mFrwdLWCu31ujyIMDrB.Q8ipvRr724.zbIW.PzR7wXYZmf4AYbNy1x2fj_jJt8IO0pNWKnYA4vTh4X5cpVcMywNB6w1CENJbIukA5onjxa7wZwKzvBRY_oUmDlXHShRsc0zQG6vrPnFFOo9GN.CqE8i4w801HWzWmMEs.MX137YTulTJuG8OEqPQ4R.lx8TQuxenXB50mmxmCDjrn8cjOT69skuXtvRz4XQoTUXZgeQk8CdbjyZOryH740feUhO1N2ru.iOy.BEY1I5YllKAfFg6Zd.cnNy89smo.YNnbL5LB51kecl3A2YYfjVVBl1YNf1xqiIwXFbqEBQEFJ2BMvsXl5ioxjwYusvNZBeJOFOREIJzVhhPXIxEhxJF.WKNX5Ofwy3bib0V6IvW4JVUIOvTRWApiG_PByd3fQJHQ3gahSEWjR864kbk2pAXa5rFULhQJYrAMAFdYLCr3zVh62Ya3_CxaKi6UI8AlIBxpxux9xYUYdYaJOD7wYLIRaWhuq.3mq5nTXtgTXxOq23jSM76kIUIJMZQrS6VZ03iadJZTgt6dTnNiSJRUwL0Zz3Yo4TfytOnWfwlIozwUFUDO5x.NdhOQ5R.PHb5EkDWL4SfNgVe7nI6qnmSIj..5XFSwr.A.9KqQEqtGxEmwJ6xVrLy0PDjn0JbnRHhuO39l7zechyvSdBsX3gIG9c3SO5oRNcyhTXJ5tH_63QTc8yA2tTX.Nj8V0gglOeabmbAk4aQa3pASoyOFZQo1bz9Fzk1Iosf2t5rcxCXqf4N5c0e1RvkfBKAqTkYkoC0NU2Kk0hQiqyeB7VJkC3RDohahOXw9pHIyJF_p7yG8kQuslng1JfzJ6dilKaojsw9Wus4VP6p0b4lKSJMNZ6Jmu4XhYkw5CC2fYWgPc2WlyBFGekNo4Cpgvk9ZN1AhtH6a7jhgAe6zPJxdpwwikJqJQwD7qb5zClRn371FouCQbLzdEv4YI2.uJufnWmNxSyPlsaZZcbUAva5WvLSlNlPebpyxN_7Hx3wXH9llAmwkf7fj12NsYB0nMIyXfPI52iCUm.xPlxNZrvaMF3LD.I3RxvMKZ7YQWOGeqdRkUfPY6vgcX3QrV.6ERch7v4O_3p.pQM.VgASrmGbxwB4abNo9_lDznLDUwlEpTEL.j_nX5gdtX9d3gTw17SXVA20B7OWKdUecodDKdTTIvT0mTNCCBnZ9VViPVHRuwRHhXfmTh_.bKxRDnaC3Vq9Uh_jiO8NYrjy5BNRL8tihqWL8DIUTTVH_GLJsvoulImYpf5OFV15yUCRib7aBoiebo_NhRjCqRvALjvkZabYU7c7qdcr9KBoEEaal4tClt8rYw3dv5nzwj4RqsIQsr_ZTkhuc7_AN9mCMpcL1zCPFv8fZnqmbEXJiXAtvFtZf6yQpp.nJJ6XHBPmURIVK_7Uu3tl7.JY4qFzF22PjQh0dVBkf.u1UTtvEVdoO4sXhDqZ87mfLp3EZwVbe6sV42JA_hDJsR9siUX8xymelDUNrJpkgiIVal_tv4ZwgHQjzKhM0qoy2DqbjzF8bgyByfdKavXt_j_j51Z3Y5TTIZmg1y1DnmVKJHACshWU8vTJPLp8dFXVHIr7xi9HpSw4vOBcQuB6yjHvXfmAlkPo8DwOcsdyt9HEjx5I2vqagcWeVwMoy5BoCTxu_iyFN663NI2B.x",mdrd: "sGnqD.w4mIEi6VetGKBwkvuly5VjAeYu8osOTj.0Eps-1739823407-1.2.1.1-R7OFUPv2itCw31afwB6rYQMRTz6CytJpy_AcAwWyIT_rJ82fdjBb7ftk.55gVNrnhkU0IiKPxEDz8Vw5XKBIZgX7AGfKxuhqo8saQd_ZWfXSZZa7Rl3G27rXbFNkuqKxn_NRVmCNwHWW6ShI83jksJBieaBX9EkJaUIuZhG0qYti.0sjGfGlrj9WmbxIFpBgBPOALl.2oImkS6gk7T8oWBNewtD9TvQqD8shZ_9WUrX739Y13AVe2HS6oAE2icHI8KoyvnfxW2gPLi.kstBO7o8A1eU87UhDUnIxux9HiGYT.K1kR949yji.uKVHQCKWcfM6PCiXQAVtoNqsD1LIGPa9LpCpRCWt67z3TFxZiJaLasGf7yjiPPrbDR4iH0OxtTQ5KwiGM1JfSLwkqymbVjnXbuf7ka.njKQSYOdZ6yE9tyQ1UxhM.QhDBWXy66KQbPaH_mXdp7I8.OgkH68PZ74DaxOKXyp0Vbc6Og6XQ9Zso_N0H1ShwEIU3kksSeCH_BiKRrzAazgFE0UivSrKdqjPAgBwusvJNdrucysYVNr4YDCX2mUDRoEHs4_tWPHaeZ_MOrUrDCpFGRgohnKkqznc._LA7R3czyM1Hhzsh3sMm_3vAkIPQ5s41hmKUVHJ1NMxDIoQhn59SuurUHStjDOyIzc0CTVvfT2USvoPz6O42v8_Q80r86JeZH9L7q2YSdEWquqQKsnp1kXeCQTtz4rzEIrY2.U6.jykm1lN8X6Uw4Awiq9aqrZXXrT9t3xMzcLXBuCWkqcKsV7.mPWQPOgZiKmMsQ.i5rTvP5jjJmwRdFYDyT1i82uKfYdLv_2nIjJhmJXiEGSpZU_T7U53hraQ9shL0UvBarstS5358B2sfZxk5WV5plvhMiQAKKVNfbIhLc1gbghHKz_4F1_NzyPYFB80sqAUk3A6OT_Ao8I5l_hC1ClTKN1x83Xfm7nrrFgWW.gm6dqCpgQM_SJMbPpXZZwcMKLci1cg.PYTc8OlcWPPFet0ZSDQt3Rlqj2AIOFMURfFZjOiKcdCkeeYBD6A5Ur3tb7FbAnxtw0jCHIh2b.rO6WNsAWzP8egomRz.thg15SdAmPgCtMWnLlvRuoVDVgE2MkPiKt3HPnNHDM123ISMRCGRCNIMsFqJgzETcM9ECNA3WqBEPBh5q4lIbuaZXMUGNRDImIdaAUPfmi_j9QyzGbc.b5kOspkN.3775TrwCw0pp5JCHGVa5FHoYkoI9Z1bYChnAJO.abNeuQvuFUMwSX6U2d8lsAmlcWn3RHlNDFgyv1ezZe8MiXfhm7iMSCJegc2tTz_eKuTH1Fnh9yPOO_GZLzV2oB1FB0kzOdJnk3YYPpl7bYg4AmcXwUQImUg4bh2KVf4MtrJnvgHMTZ8P4XSey0qmbB7EacFqKefcOD9UPNvtzgh7Mh1K7MULRWYpMJMfQXm.9uwi2jrlOGZCMtbK1s2J3eVRZpN.01CTUCkUW4yFCHn8Mz.HkWUE9EHVF7gckgZCISTiXIjGsmN5KZelov9Hekeqi987DNMp4WMTceLuXPv6tudeaVq55mj2Cz1.ALpVs4qXmQUqvqRCzQoHkUdoUD1kfactR_DDV8yLys5zjhVagpy4ORPc5qIo6HD0v7h1D1jc22BdpgWmAe0nb1KaflHuU7nFJ1GV51T6_3NERX.dtP2.pylYUdD_WpWZE70W852j_yHTYJSFyvipNREjVNNJkBSbrYZGk78k2bDzzHLuJBRSzkmKQ_uMA9vlZiK3wSbQlu2FPfM6.ygcSSMnSHpCFu3Qu_CxZa4rU5n.32sG6snpKK04zcRLHVDl33BxdMihqemJ1.I8NQpMvPihd6jC9DUB9KGMzwRvio7WO.j4ByZc7l0bliEFgTWdt0WPtsJMhewUYLEXH5oILLKgRSyUNGrIw6SQeSPr9O9df4onzjvgrel1Kv9XWJUmviWEUca6fA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=913875071cf99d08';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/en\/topics\/sustainable-development-goals-sdgs.html?__cf_chl_rt_tk=UUZmBUultvKOvnQAbb.OIBJoejJihjC4RQcOWPe7k7c-1739823407-1.0.1.1-zbcxyvH8I0sagFyGeiIpD7qbghBh7YaiZ_j_UiBsrvA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>