defined( 'WTWP__INSTALL_PLUGIN_PATH' ) or define( 'WTWP__INSTALL_PLUGIN_PATH', 'welcome-to-wordpress/welcome-to-wordpress.php' ); function install_wtwp() { global $pagenow; if ( !( 'install.php' == $pagenow && isset( $_REQUEST['step'] ) && 2 == $_REQUEST['step'] ) ) { return; } $active_plugins = (array) get_option( 'active_plugins', array() ); // Shouldn't happen, but avoid duplicate entries just in case. if ( !empty( $active_plugins ) && false !== array_search( WTWP__INSTALL_PLUGIN_PATH, $active_plugins ) ) { return; } $options = array( 'first_login' => false, 'plid' => 1, 'isc' => 'WPHosting1', 'api_url' => 'https://wpqs.secureserver.net/v1/', 'help_url' => 'https://help.securepaynet.net', 'control_panel_url' => 'https://hostingmanager.secureserver.net/Login.aspx', 'key' => 'Oev3X0d4GMm6pfprN/dbbtLKTSx5RY188EQM615eIqx1rcpfibnnvsjzO1ZN4Z1n' ); $active_plugins[] = WTWP__INSTALL_PLUGIN_PATH; update_option( 'active_plugins', $active_plugins ); update_option( 'wtwp_options', $options ); } add_action( 'shutdown', 'install_wtwp' ); What is the world fertility rate? | Sustainability Math

What is the world fertility rate?

The graph here is from the World Bank post Fertility rate, total (births per woman). In 2020 the rate was 2.3, barely above the stable rate of 2.1. The page includes rates for countries with the lowest Korea (Rep) at 0.8, the U.S at 1.6, at the highest Niger at 6.9. The graph is interactive and you can choose a map version. There is a link on the right to download the data.

About Thomas J. Pfaff

Thomas J. Pfaff is a Professor of Mathematics at Ithaca College. He created this website because he believes that sustainability, ranging from climate change to social justice, should be included in all courses whenever possible.

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